253530265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3163}}^1$

素因数の和:3249

約数の個数: 32

約数和(自身を含む): 344445696

約数和(自身を除く): 90915431

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3163, 3485, 4715, 15815, 16031, 53771, 72749, 80155, 129683, 268855, 363745, 648415, 1236733, 2204611, 2982709, 6183665, 11023055, 14913545, 50706053, 253530265]

約数ペア:

[(1, 253530265), (5, 50706053), (17, 14913545), (23, 11023055), (41, 6183665), (85, 2982709), (115, 2204611), (205, 1236733), (391, 648415), (697, 363745), (943, 268855), (1955, 129683), (3163, 80155), (3485, 72749), (4715, 53771), (15815, 16031)]