261923744

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{199637}}^1$

素因数の和:199688

約数の個数: 24

約数和(自身を含む): 528242148

約数和(自身を除く): 266318404

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 199637, 399274, 798548, 1597096, 3194192, 6388384, 8185117, 16370234, 32740468, 65480936, 130961872, 261923744]

約数ペア:

[(1, 261923744), (2, 130961872), (4, 65480936), (8, 32740468), (16, 16370234), (32, 8185117), (41, 6388384), (82, 3194192), (164, 1597096), (328, 798548), (656, 399274), (1312, 199637)]