128843998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{5081}}^1$

素因数の和:5523

約数の個数: 16

約数和(自身を含む): 200027520

約数和(自身を除く): 71183522

約数列:

[1, 2, 31, 62, 409, 818, 5081, 10162, 12679, 25358, 157511, 315022, 2078129, 4156258, 64421999, 128843998]

約数ペア:

[(1, 128843998), (2, 64421999), (31, 4156258), (62, 2078129), (409, 315022), (818, 157511), (5081, 25358), (10162, 12679)]