68381908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78781}}^1$

素因数の和:78823

約数の個数: 24

約数和(自身を含む): 141177344

約数和(自身を除く): 72795436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 78781, 157562, 315124, 551467, 1102934, 2205868, 2442211, 4884422, 9768844, 17095477, 34190954, 68381908]

約数ペア:

[(1, 68381908), (2, 34190954), (4, 17095477), (7, 9768844), (14, 4884422), (28, 2442211), (31, 2205868), (62, 1102934), (124, 551467), (217, 315124), (434, 157562), (868, 78781)]