642743504

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{237701}}^1$

素因数の和:237735

約数の個数: 30

約数和(自身を含む): 1348483446

約数和(自身を除く): 705739942

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 237701, 475402, 950804, 1901608, 3090113, 3803216, 6180226, 12360452, 24720904, 40171469, 49441808, 80342938, 160685876, 321371752, 642743504]

約数ペア:

[(1, 642743504), (2, 321371752), (4, 160685876), (8, 80342938), (13, 49441808), (16, 40171469), (26, 24720904), (52, 12360452), (104, 6180226), (169, 3803216), (208, 3090113), (338, 1901608), (676, 950804), (1352, 475402), (2704, 237701)]