81297436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{49937}}^1$

素因数の和:49989

約数の個数: 24

約数和(自身を含む): 159402096

約数和(自身を除く): 78104660

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 49937, 99874, 199748, 549307, 1098614, 1847669, 2197228, 3695338, 7390676, 20324359, 40648718, 81297436]

約数ペア:

[(1, 81297436), (2, 40648718), (4, 20324359), (11, 7390676), (22, 3695338), (37, 2197228), (44, 1847669), (74, 1098614), (148, 549307), (407, 199748), (814, 99874), (1628, 49937)]