81730838

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 143990784

約数和(自身を除く): 62259946

約数列:

[1, 2, 7, 14, 47, 94, 223, 329, 446, 557, 658, 1114, 1561, 3122, 3899, 7798, 10481, 20962, 26179, 52358, 73367, 124211, 146734, 183253, 248422, 366506, 869477, 1738954, 5837917, 11675834, 40865419, 81730838]

約数ペア:

[(1, 81730838), (2, 40865419), (7, 11675834), (14, 5837917), (47, 1738954), (94, 869477), (223, 366506), (329, 248422), (446, 183253), (557, 146734), (658, 124211), (1114, 73367), (1561, 52358), (3122, 26179), (3899, 20962), (7798, 10481)]