161509012

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{64811}}^1$

素因数の和:64911

約数の個数: 24

約数和(自身を含む): 326652480

約数和(自身を除く): 165143468

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 64811, 129622, 259244, 453677, 907354, 1814708, 5768179, 11536358, 23072716, 40377253, 80754506, 161509012]

約数ペア:

[(1, 161509012), (2, 80754506), (4, 40377253), (7, 23072716), (14, 11536358), (28, 5768179), (89, 1814708), (178, 907354), (356, 453677), (623, 259244), (1246, 129622), (2492, 64811)]