215968

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 24

約数和(自身を含む): 451332

約数和(自身を除く): 235364

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 397, 544, 794, 1588, 3176, 6352, 6749, 12704, 13498, 26996, 53992, 107984, 215968]

約数ペア:

[(1, 215968), (2, 107984), (4, 53992), (8, 26996), (16, 13498), (17, 12704), (32, 6749), (34, 6352), (68, 3176), (136, 1588), (272, 794), (397, 544)]