129255568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{7487}}^1$

素因数の和:7591

約数の個数: 40

約数和(自身を含む): 272982528

約数和(自身を除く): 143726960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 7487, 8632, 14974, 17264, 29948, 59896, 97331, 119792, 194662, 389324, 621421, 778648, 1242842, 1557296, 2485684, 4971368, 8078473, 9942736, 16156946, 32313892, 64627784, 129255568]

約数ペア:

[(1, 129255568), (2, 64627784), (4, 32313892), (8, 16156946), (13, 9942736), (16, 8078473), (26, 4971368), (52, 2485684), (83, 1557296), (104, 1242842), (166, 778648), (208, 621421), (332, 389324), (664, 194662), (1079, 119792), (1328, 97331), (2158, 59896), (4316, 29948), (7487, 17264), (8632, 14974)]