128510252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 258720000

約数和(自身を除く): 130209748

約数列:

[1, 2, 4, 13, 26, 29, 31, 52, 58, 62, 116, 124, 377, 403, 754, 806, 899, 1508, 1612, 1798, 2749, 3596, 5498, 10996, 11687, 23374, 35737, 46748, 71474, 79721, 85219, 142948, 159442, 170438, 318884, 340876, 1036373, 1107847, 2072746, 2215694, 2471351, 4145492, 4431388, 4942702, 9885404, 32127563, 64255126, 128510252]

約数ペア:

[(1, 128510252), (2, 64255126), (4, 32127563), (13, 9885404), (26, 4942702), (29, 4431388), (31, 4145492), (52, 2471351), (58, 2215694), (62, 2072746), (116, 1107847), (124, 1036373), (377, 340876), (403, 318884), (754, 170438), (806, 159442), (899, 142948), (1508, 85219), (1612, 79721), (1798, 71474), (2749, 46748), (3596, 35737), (5498, 23374), (10996, 11687)]