259291504

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{19739}}^1$

素因数の和:20568

約数の個数: 20

約数和(自身を含む): 503014680

約数和(自身を除く): 243723176

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 6568, 13136, 19739, 39478, 78956, 157912, 315824, 16205719, 32411438, 64822876, 129645752, 259291504]

約数ペア:

[(1, 259291504), (2, 129645752), (4, 64822876), (8, 32411438), (16, 16205719), (821, 315824), (1642, 157912), (3284, 78956), (6568, 39478), (13136, 19739)]