30811888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113279}}^1$

素因数の和:113304

約数の個数: 20

約数和(自身を含む): 63210240

約数和(自身を除く): 32398352

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 113279, 226558, 453116, 906232, 1812464, 1925743, 3851486, 7702972, 15405944, 30811888]

約数ペア:

[(1, 30811888), (2, 15405944), (4, 7702972), (8, 3851486), (16, 1925743), (17, 1812464), (34, 906232), (68, 453116), (136, 226558), (272, 113279)]