81931078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 134691840

約数和(自身を除く): 52760762

約数列:

[1, 2, 19, 31, 38, 62, 157, 314, 443, 589, 886, 1178, 2983, 4867, 5966, 8417, 9734, 13733, 16834, 27466, 69551, 92473, 139102, 184946, 260927, 521854, 1321469, 2156081, 2642938, 4312162, 40965539, 81931078]

約数ペア:

[(1, 81931078), (2, 40965539), (19, 4312162), (31, 2642938), (38, 2156081), (62, 1321469), (157, 521854), (314, 260927), (443, 184946), (589, 139102), (886, 92473), (1178, 69551), (2983, 27466), (4867, 16834), (5966, 13733), (8417, 9734)]