644879250756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{728687}}^1$

素因数の和:728802

約数の個数: 144

約数和(自身を含む): 1841843447808

約数和(自身を除く): 1196964197052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 61, 62, 78, 93, 117, 122, 124, 156, 183, 186, 234, 244, 279, 366, 372, 403, 468, 549, 558, 732, 793, 806, 1098, 1116, 1209, 1586, 1612, 1891, 2196, 2379, 2418, 3172, 3627, 3782, 4758, 4836, 5673, 7137, 7254, 7564, 9516, 11346, 14274, 14508, 17019, 22692, 24583, 28548, 34038, 49166, 68076, 73749, 98332, 147498, 221247, 294996, 442494, 728687, 884988, 1457374, 2186061, 2914748, 4372122, 6558183, 8744244, 9472931, 13116366, 18945862, 22589297, 26232732, 28418793, 37891724, 44449907, 45178594, 56837586, 67767891, 85256379, 88899814, 90357188, 113675172, 133349721, 135535782, 170512758, 177799628, 203303673, 266699442, 271071564, 293660861, 341025516, 400049163, 406607346, 533398884, 577848791, 587321722, 800098326, 813214692, 880982583, 1155697582, 1174643444, 1377947117, 1600196652, 1733546373, 1761965166, 2311395164, 2642947749, 2755894234, 3467092746, 3523930332, 4133841351, 5200639119, 5285895498, 5511788468, 6934185492, 8267682702, 10401278238, 10571790996, 12401524053, 16535365404, 17913312521, 20802556476, 24803048106, 35826625042, 49606096212, 53739937563, 71653250084, 107479875126, 161219812689, 214959750252, 322439625378, 644879250756]

約数ペア:

[(1, 644879250756), (2, 322439625378), (3, 214959750252), (4, 161219812689), (6, 107479875126), (9, 71653250084), (12, 53739937563), (13, 49606096212), (18, 35826625042), (26, 24803048106), (31, 20802556476), (36, 17913312521), (39, 16535365404), (52, 12401524053), (61, 10571790996), (62, 10401278238), (78, 8267682702), (93, 6934185492), (117, 5511788468), (122, 5285895498), (124, 5200639119), (156, 4133841351), (183, 3523930332), (186, 3467092746), (234, 2755894234), (244, 2642947749), (279, 2311395164), (366, 1761965166), (372, 1733546373), (403, 1600196652), (468, 1377947117), (549, 1174643444), (558, 1155697582), (732, 880982583), (793, 813214692), (806, 800098326), (1098, 587321722), (1116, 577848791), (1209, 533398884), (1586, 406607346), (1612, 400049163), (1891, 341025516), (2196, 293660861), (2379, 271071564), (2418, 266699442), (3172, 203303673), (3627, 177799628), (3782, 170512758), (4758, 135535782), (4836, 133349721), (5673, 113675172), (7137, 90357188), (7254, 88899814), (7564, 85256379), (9516, 67767891), (11346, 56837586), (14274, 45178594), (14508, 44449907), (17019, 37891724), (22692, 28418793), (24583, 26232732), (28548, 22589297), (34038, 18945862), (49166, 13116366), (68076, 9472931), (73749, 8744244), (98332, 6558183), (147498, 4372122), (221247, 2914748), (294996, 2186061), (442494, 1457374), (728687, 884988)]