1647984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 4860800

約数和(自身を除く): 3212816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 139, 152, 156, 208, 228, 247, 278, 304, 312, 417, 456, 494, 556, 624, 741, 834, 912, 988, 1112, 1482, 1668, 1807, 1976, 2224, 2641, 2964, 3336, 3614, 3952, 5282, 5421, 5928, 6672, 7228, 7923, 10564, 10842, 11856, 14456, 15846, 21128, 21684, 28912, 31692, 34333, 42256, 43368, 63384, 68666, 86736, 102999, 126768, 137332, 205998, 274664, 411996, 549328, 823992, 1647984]

約数ペア:

[(1, 1647984), (2, 823992), (3, 549328), (4, 411996), (6, 274664), (8, 205998), (12, 137332), (13, 126768), (16, 102999), (19, 86736), (24, 68666), (26, 63384), (38, 43368), (39, 42256), (48, 34333), (52, 31692), (57, 28912), (76, 21684), (78, 21128), (104, 15846), (114, 14456), (139, 11856), (152, 10842), (156, 10564), (208, 7923), (228, 7228), (247, 6672), (278, 5928), (304, 5421), (312, 5282), (417, 3952), (456, 3614), (494, 3336), (556, 2964), (624, 2641), (741, 2224), (834, 1976), (912, 1807), (988, 1668), (1112, 1482)]