31090675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 49711104

約数和(自身を除く): 18620429

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 521, 775, 1085, 1705, 1925, 2387, 2605, 3647, 5425, 5731, 8525, 11935, 13025, 16151, 18235, 28655, 40117, 59675, 80755, 91175, 113057, 143275, 177661, 200585, 403775, 565285, 888305, 1002925, 1243627, 2826425, 4441525, 6218135, 31090675]

約数ペア:

[(1, 31090675), (5, 6218135), (7, 4441525), (11, 2826425), (25, 1243627), (31, 1002925), (35, 888305), (55, 565285), (77, 403775), (155, 200585), (175, 177661), (217, 143275), (275, 113057), (341, 91175), (385, 80755), (521, 59675), (775, 40117), (1085, 28655), (1705, 18235), (1925, 16151), (2387, 13025), (2605, 11935), (3647, 8525), (5425, 5731)]