251969968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{1039}}^1$

素因数の和:1729

約数の個数: 40

約数和(自身を含む): 510681600

約数和(自身を除く): 258711632

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 659, 1039, 1318, 2078, 2636, 4156, 5272, 8312, 10544, 15157, 16624, 23897, 30314, 47794, 60628, 95588, 121256, 191176, 242512, 382352, 684701, 1369402, 2738804, 5477608, 10955216, 15748123, 31496246, 62992492, 125984984, 251969968]

約数ペア:

[(1, 251969968), (2, 125984984), (4, 62992492), (8, 31496246), (16, 15748123), (23, 10955216), (46, 5477608), (92, 2738804), (184, 1369402), (368, 684701), (659, 382352), (1039, 242512), (1318, 191176), (2078, 121256), (2636, 95588), (4156, 60628), (5272, 47794), (8312, 30314), (10544, 23897), (15157, 16624)]