1321567216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4858703}}^1$

素因数の和:4858728

約数の個数: 20

約数和(自身を含む): 2711156832

約数和(自身を除く): 1389589616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4858703, 9717406, 19434812, 38869624, 77739248, 82597951, 165195902, 330391804, 660783608, 1321567216]

約数ペア:

[(1, 1321567216), (2, 660783608), (4, 330391804), (8, 165195902), (16, 82597951), (17, 77739248), (34, 38869624), (68, 19434812), (136, 9717406), (272, 4858703)]