313963775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2239}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 399974400

約数和(自身を除く): 86010625

約数列:

[1, 5, 25, 71, 79, 355, 395, 1775, 1975, 2239, 5609, 11195, 28045, 55975, 140225, 158969, 176881, 794845, 884405, 3974225, 4422025, 12558551, 62792755, 313963775]

約数ペア:

[(1, 313963775), (5, 62792755), (25, 12558551), (71, 4422025), (79, 3974225), (355, 884405), (395, 794845), (1775, 176881), (1975, 158969), (2239, 140225), (5609, 55975), (11195, 28045)]