129972784

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{58441}}^1$

素因数の和:58588

約数の個数: 20

約数和(自身を含む): 253638280

約数和(自身を除く): 123665496

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 58441, 116882, 233764, 467528, 935056, 8123299, 16246598, 32493196, 64986392, 129972784]

約数ペア:

[(1, 129972784), (2, 64986392), (4, 32493196), (8, 16246598), (16, 8123299), (139, 935056), (278, 467528), (556, 233764), (1112, 116882), (2224, 58441)]