28883075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 38862096

約数和(自身を除く): 9979021

約数列:

[1, 5, 13, 25, 65, 181, 325, 491, 905, 2353, 2455, 4525, 6383, 11765, 12275, 31915, 58825, 88871, 159575, 444355, 1155323, 2221775, 5776615, 28883075]

約数ペア:

[(1, 28883075), (5, 5776615), (13, 2221775), (25, 1155323), (65, 444355), (181, 159575), (325, 88871), (491, 58825), (905, 31915), (2353, 12275), (2455, 11765), (4525, 6383)]