261716108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{56453}}^1$

素因数の和:56537

約数の個数: 24

約数和(自身を含む): 490020720

約数和(自身を除く): 228304612

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 56453, 112906, 225812, 1072607, 2145214, 3443633, 4290428, 6887266, 13774532, 65429027, 130858054, 261716108]

約数ペア:

[(1, 261716108), (2, 130858054), (4, 65429027), (19, 13774532), (38, 6887266), (61, 4290428), (76, 3443633), (122, 2145214), (244, 1072607), (1159, 225812), (2318, 112906), (4636, 56453)]