253792175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 389683392

約数和(自身を除く): 135891217

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 281, 325, 397, 455, 1405, 1967, 1985, 2275, 2779, 3653, 5161, 7025, 9835, 9925, 13895, 18265, 25571, 25805, 36127, 49175, 69475, 91325, 111557, 127855, 129025, 180635, 557785, 639275, 780899, 903175, 1450241, 2788925, 3904495, 7251205, 10151687, 19522475, 36256025, 50758435, 253792175]

約数ペア:

[(1, 253792175), (5, 50758435), (7, 36256025), (13, 19522475), (25, 10151687), (35, 7251205), (65, 3904495), (91, 2788925), (175, 1450241), (281, 903175), (325, 780899), (397, 639275), (455, 557785), (1405, 180635), (1967, 129025), (1985, 127855), (2275, 111557), (2779, 91325), (3653, 69475), (5161, 49175), (7025, 36127), (9835, 25805), (9925, 25571), (13895, 18265)]