129975842

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 204906240

約数和(自身を除く): 74930398

約数列:

[1, 2, 43, 83, 86, 131, 139, 166, 262, 278, 3569, 5633, 5977, 7138, 10873, 11266, 11537, 11954, 18209, 21746, 23074, 36418, 467539, 496091, 782987, 935078, 992182, 1511347, 1565974, 3022694, 64987921, 129975842]

約数ペア:

[(1, 129975842), (2, 64987921), (43, 3022694), (83, 1565974), (86, 1511347), (131, 992182), (139, 935078), (166, 782987), (262, 496091), (278, 467539), (3569, 36418), (5633, 23074), (5977, 21746), (7138, 18209), (10873, 11954), (11266, 11537)]