25402741

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 7982219

約数列:

[1, 7, 13, 23, 53, 91, 161, 229, 299, 371, 689, 1219, 1603, 2093, 2977, 4823, 5267, 8533, 12137, 15847, 20839, 36869, 68471, 84959, 110929, 157781, 279151, 479297, 1104467, 1954057, 3628963, 25402741]

約数ペア:

[(1, 25402741), (7, 3628963), (13, 1954057), (23, 1104467), (53, 479297), (91, 279151), (161, 157781), (229, 110929), (299, 84959), (371, 68471), (689, 36869), (1219, 20839), (1603, 15847), (2093, 12137), (2977, 8533), (4823, 5267)]