646536

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 1843200

約数和(自身を除く): 1196664

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 79, 88, 93, 124, 132, 158, 186, 237, 248, 264, 316, 341, 372, 474, 632, 682, 744, 869, 948, 1023, 1364, 1738, 1896, 2046, 2449, 2607, 2728, 3476, 4092, 4898, 5214, 6952, 7347, 8184, 9796, 10428, 14694, 19592, 20856, 26939, 29388, 53878, 58776, 80817, 107756, 161634, 215512, 323268, 646536]

約数ペア:

[(1, 646536), (2, 323268), (3, 215512), (4, 161634), (6, 107756), (8, 80817), (11, 58776), (12, 53878), (22, 29388), (24, 26939), (31, 20856), (33, 19592), (44, 14694), (62, 10428), (66, 9796), (79, 8184), (88, 7347), (93, 6952), (124, 5214), (132, 4898), (158, 4092), (186, 3476), (237, 2728), (248, 2607), (264, 2449), (316, 2046), (341, 1896), (372, 1738), (474, 1364), (632, 1023), (682, 948), (744, 869)]