30311408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{111439}}^1$

素因数の和:111464

約数の個数: 20

約数和(自身を含む): 62183520

約数和(自身を除く): 31872112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 111439, 222878, 445756, 891512, 1783024, 1894463, 3788926, 7577852, 15155704, 30311408]

約数ペア:

[(1, 30311408), (2, 15155704), (4, 7577852), (8, 3788926), (16, 1894463), (17, 1783024), (34, 891512), (68, 445756), (136, 222878), (272, 111439)]