31206305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 12919903

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 911, 1105, 2015, 2635, 4555, 6851, 11843, 15487, 28241, 34255, 59215, 77435, 141205, 201331, 367133, 480097, 1006655, 1835665, 2400485, 6241261, 31206305]

約数ペア:

[(1, 31206305), (5, 6241261), (13, 2400485), (17, 1835665), (31, 1006655), (65, 480097), (85, 367133), (155, 201331), (221, 141205), (403, 77435), (527, 59215), (911, 34255), (1105, 28241), (2015, 15487), (2635, 11843), (4555, 6851)]