644861256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1207

約数の個数: 128

約数和(自身を含む): 1823216640

約数和(自身を除く): 1178355384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 61, 62, 78, 93, 104, 122, 124, 156, 183, 186, 244, 248, 312, 366, 372, 403, 488, 732, 744, 793, 806, 1093, 1209, 1464, 1586, 1612, 1891, 2186, 2379, 2418, 3172, 3224, 3279, 3782, 4372, 4758, 4836, 5673, 6344, 6558, 7564, 8744, 9516, 9672, 11346, 13116, 14209, 15128, 19032, 22692, 24583, 26232, 28418, 33883, 42627, 45384, 49166, 56836, 66673, 67766, 73749, 85254, 98332, 101649, 113672, 133346, 135532, 147498, 170508, 196664, 200019, 203298, 266692, 271064, 294996, 341016, 400038, 406596, 440479, 533384, 589992, 800076, 813192, 866749, 880958, 1321437, 1600152, 1733498, 1761916, 2066863, 2600247, 2642874, 3466996, 3523832, 4133726, 5200494, 5285748, 6200589, 6933992, 8267452, 10400988, 10571496, 12401178, 16534904, 20801976, 24802356, 26869219, 49604712, 53738438, 80607657, 107476876, 161215314, 214953752, 322430628, 644861256]

約数ペア:

[(1, 644861256), (2, 322430628), (3, 214953752), (4, 161215314), (6, 107476876), (8, 80607657), (12, 53738438), (13, 49604712), (24, 26869219), (26, 24802356), (31, 20801976), (39, 16534904), (52, 12401178), (61, 10571496), (62, 10400988), (78, 8267452), (93, 6933992), (104, 6200589), (122, 5285748), (124, 5200494), (156, 4133726), (183, 3523832), (186, 3466996), (244, 2642874), (248, 2600247), (312, 2066863), (366, 1761916), (372, 1733498), (403, 1600152), (488, 1321437), (732, 880958), (744, 866749), (793, 813192), (806, 800076), (1093, 589992), (1209, 533384), (1464, 440479), (1586, 406596), (1612, 400038), (1891, 341016), (2186, 294996), (2379, 271064), (2418, 266692), (3172, 203298), (3224, 200019), (3279, 196664), (3782, 170508), (4372, 147498), (4758, 135532), (4836, 133346), (5673, 113672), (6344, 101649), (6558, 98332), (7564, 85254), (8744, 73749), (9516, 67766), (9672, 66673), (11346, 56836), (13116, 49166), (14209, 45384), (15128, 42627), (19032, 33883), (22692, 28418), (24583, 26232)]