81441764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{13457}}^1$

素因数の和:13567

約数の個数: 24

約数和(自身を含む): 152613720

約数和(自身を除く): 71171956

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 13457, 26914, 53828, 228769, 457538, 915076, 1197673, 2395346, 4790692, 20360441, 40720882, 81441764]

約数ペア:

[(1, 81441764), (2, 40720882), (4, 20360441), (17, 4790692), (34, 2395346), (68, 1197673), (89, 915076), (178, 457538), (356, 228769), (1513, 53828), (3026, 26914), (6052, 13457)]