12397775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 17019744

約数和(自身を除く): 4621969

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1031, 2405, 5155, 12025, 13403, 25775, 38147, 67015, 190735, 335075, 495911, 953675, 2479555, 12397775]

約数ペア:

[(1, 12397775), (5, 2479555), (13, 953675), (25, 495911), (37, 335075), (65, 190735), (185, 67015), (325, 38147), (481, 25775), (925, 13403), (1031, 12025), (2405, 5155)]