855307908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2154

約数の個数: 144

約数和(自身を含む): 2682615936

約数和(自身を除く): 1827308028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 131, 156, 182, 234, 252, 262, 273, 364, 393, 468, 524, 546, 786, 819, 917, 1092, 1179, 1572, 1638, 1703, 1834, 1993, 2358, 2751, 3276, 3406, 3668, 3986, 4716, 5109, 5502, 5979, 6812, 7972, 8253, 10218, 11004, 11921, 11958, 13951, 15327, 16506, 17937, 20436, 23842, 23916, 25909, 27902, 30654, 33012, 35763, 35874, 41853, 47684, 51818, 55804, 61308, 71526, 71748, 77727, 83706, 103636, 107289, 125559, 143052, 155454, 167412, 181363, 214578, 233181, 251118, 261083, 310908, 362726, 429156, 466362, 502236, 522166, 544089, 725452, 783249, 932724, 1044332, 1088178, 1566498, 1632267, 1827581, 2176356, 2349747, 3132996, 3264534, 3394079, 3655162, 4699494, 5482743, 6529068, 6788158, 7310324, 9398988, 10182237, 10965486, 13576316, 16448229, 20364474, 21930972, 23758553, 30546711, 32896458, 40728948, 47517106, 61093422, 65792916, 71275659, 95034212, 122186844, 142551318, 213826977, 285102636, 427653954, 855307908]

約数ペア:

[(1, 855307908), (2, 427653954), (3, 285102636), (4, 213826977), (6, 142551318), (7, 122186844), (9, 95034212), (12, 71275659), (13, 65792916), (14, 61093422), (18, 47517106), (21, 40728948), (26, 32896458), (28, 30546711), (36, 23758553), (39, 21930972), (42, 20364474), (52, 16448229), (63, 13576316), (78, 10965486), (84, 10182237), (91, 9398988), (117, 7310324), (126, 6788158), (131, 6529068), (156, 5482743), (182, 4699494), (234, 3655162), (252, 3394079), (262, 3264534), (273, 3132996), (364, 2349747), (393, 2176356), (468, 1827581), (524, 1632267), (546, 1566498), (786, 1088178), (819, 1044332), (917, 932724), (1092, 783249), (1179, 725452), (1572, 544089), (1638, 522166), (1703, 502236), (1834, 466362), (1993, 429156), (2358, 362726), (2751, 310908), (3276, 261083), (3406, 251118), (3668, 233181), (3986, 214578), (4716, 181363), (5109, 167412), (5502, 155454), (5979, 143052), (6812, 125559), (7972, 107289), (8253, 103636), (10218, 83706), (11004, 77727), (11921, 71748), (11958, 71526), (13951, 61308), (15327, 55804), (16506, 51818), (17937, 47684), (20436, 41853), (23842, 35874), (23916, 35763), (25909, 33012), (27902, 30654)]