81315862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{1747}}^1$

素因数の和:1840

約数の個数: 24

約数和(自身を含む): 132809544

約数和(自身を除く): 51493682

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 1369, 1747, 2738, 3494, 23273, 29699, 46546, 59398, 64639, 129278, 1098863, 2197726, 2391643, 4783286, 40657931, 81315862]

約数ペア:

[(1, 81315862), (2, 40657931), (17, 4783286), (34, 2391643), (37, 2197726), (74, 1098863), (629, 129278), (1258, 64639), (1369, 59398), (1747, 46546), (2738, 29699), (3494, 23273)]