78128464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{287237}}^1$

素因数の和:287262

約数の個数: 20

約数和(自身を含む): 160278804

約数和(自身を除く): 82150340

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 287237, 574474, 1148948, 2297896, 4595792, 4883029, 9766058, 19532116, 39064232, 78128464]

約数ペア:

[(1, 78128464), (2, 39064232), (4, 19532116), (8, 9766058), (16, 4883029), (17, 4595792), (34, 2297896), (68, 1148948), (136, 574474), (272, 287237)]