78840016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{289853}}^1$

素因数の和:289878

約数の個数: 20

約数和(自身を含む): 161738532

約数和(自身を除く): 82898516

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289853, 579706, 1159412, 2318824, 4637648, 4927501, 9855002, 19710004, 39420008, 78840016]

約数ペア:

[(1, 78840016), (2, 39420008), (4, 19710004), (8, 9855002), (16, 4927501), (17, 4637648), (34, 2318824), (68, 1159412), (136, 579706), (272, 289853)]