81775334

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 128025504

約数和(自身を除く): 46250170

約数列:

[1, 2, 31, 62, 157, 271, 314, 542, 961, 1922, 4867, 8401, 9734, 16802, 42547, 85094, 150877, 260431, 301754, 520862, 1318957, 2637914, 40887667, 81775334]

約数ペア:

[(1, 81775334), (2, 40887667), (31, 2637914), (62, 1318957), (157, 520862), (271, 301754), (314, 260431), (542, 150877), (961, 85094), (1922, 42547), (4867, 16802), (8401, 9734)]