15915692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 32104800

約数和(自身を除く): 16189108

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 89, 178, 181, 247, 356, 362, 494, 724, 988, 1157, 1691, 2314, 2353, 3382, 3439, 4628, 4706, 6764, 6878, 9412, 13756, 16109, 21983, 32218, 43966, 44707, 64436, 87932, 89414, 178828, 209417, 306071, 418834, 612142, 837668, 1224284, 3978923, 7957846, 15915692]

約数ペア:

[(1, 15915692), (2, 7957846), (4, 3978923), (13, 1224284), (19, 837668), (26, 612142), (38, 418834), (52, 306071), (76, 209417), (89, 178828), (178, 89414), (181, 87932), (247, 64436), (356, 44707), (362, 43966), (494, 32218), (724, 21983), (988, 16109), (1157, 13756), (1691, 9412), (2314, 6878), (2353, 6764), (3382, 4706), (3439, 4628)]