28899268

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 52002720

約数和(自身を除く): 23103452

約数列:

[1, 2, 4, 43, 86, 172, 401, 419, 802, 838, 1604, 1676, 17243, 18017, 34486, 36034, 68972, 72068, 168019, 336038, 672076, 7224817, 14449634, 28899268]

約数ペア:

[(1, 28899268), (2, 14449634), (4, 7224817), (43, 672076), (86, 336038), (172, 168019), (401, 72068), (419, 68972), (802, 36034), (838, 34486), (1604, 18017), (1676, 17243)]