215146475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12347}}^1$

素因数の和:12415

約数の個数: 24

約数和(自身を含む): 289387728

約数和(自身を除く): 74241253

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 3485, 12347, 17425, 61735, 209899, 308675, 506227, 1049495, 2531135, 5247475, 8605859, 12655675, 43029295, 215146475]

約数ペア:

[(1, 215146475), (5, 43029295), (17, 12655675), (25, 8605859), (41, 5247475), (85, 2531135), (205, 1049495), (425, 506227), (697, 308675), (1025, 209899), (3485, 61735), (12347, 17425)]