221348075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40063}}^1$

素因数の和:40103

約数の個数: 24

約数和(自身を含む): 312979968

約数和(自身を除く): 91631893

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 40063, 200315, 520819, 681071, 1001575, 2604095, 3405355, 8853923, 13020475, 17026775, 44269615, 221348075]

約数ペア:

[(1, 221348075), (5, 44269615), (13, 17026775), (17, 13020475), (25, 8853923), (65, 3405355), (85, 2604095), (221, 1001575), (325, 681071), (425, 520819), (1105, 200315), (5525, 40063)]