61398025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 88258240

約数和(自身を除く): 26860215

約数列:

[1, 5, 13, 19, 25, 61, 65, 95, 163, 247, 305, 325, 475, 793, 815, 1159, 1235, 1525, 2119, 3097, 3965, 4075, 5795, 6175, 9943, 10595, 15067, 15485, 19825, 28975, 40261, 49715, 52975, 75335, 77425, 129259, 188917, 201305, 248575, 376675, 646295, 944585, 1006525, 2455921, 3231475, 4722925, 12279605, 61398025]

約数ペア:

[(1, 61398025), (5, 12279605), (13, 4722925), (19, 3231475), (25, 2455921), (61, 1006525), (65, 944585), (95, 646295), (163, 376675), (247, 248575), (305, 201305), (325, 188917), (475, 129259), (793, 77425), (815, 75335), (1159, 52975), (1235, 49715), (1525, 40261), (2119, 28975), (3097, 19825), (3965, 15485), (4075, 15067), (5795, 10595), (6175, 9943)]