81547390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 150395616

約数和(自身を除く): 68848226

約数列:

[1, 2, 5, 10, 53, 106, 251, 265, 502, 530, 613, 1226, 1255, 2510, 3065, 6130, 13303, 26606, 32489, 64978, 66515, 133030, 153863, 162445, 307726, 324890, 769315, 1538630, 8154739, 16309478, 40773695, 81547390]

約数ペア:

[(1, 81547390), (2, 40773695), (5, 16309478), (10, 8154739), (53, 1538630), (106, 769315), (251, 324890), (265, 307726), (502, 162445), (530, 153863), (613, 133030), (1226, 66515), (1255, 64978), (2510, 32489), (3065, 26606), (6130, 13303)]