25254775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 40872384

約数和(自身を除く): 15617609

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 653, 1105, 1547, 2275, 2975, 3265, 4571, 5525, 7735, 8489, 11101, 16325, 22855, 38675, 42445, 55505, 59423, 77707, 114275, 144313, 212225, 277525, 297115, 388535, 721565, 1010191, 1485575, 1942675, 3607825, 5050955, 25254775]

約数ペア:

[(1, 25254775), (5, 5050955), (7, 3607825), (13, 1942675), (17, 1485575), (25, 1010191), (35, 721565), (65, 388535), (85, 297115), (91, 277525), (119, 212225), (175, 144313), (221, 114275), (325, 77707), (425, 59423), (455, 55505), (595, 42445), (653, 38675), (1105, 22855), (1547, 16325), (2275, 11101), (2975, 8489), (3265, 7735), (4571, 5525)]