207974975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9013}}^1$

素因数の和:9107

約数の個数: 24

約数和(自身を含む): 281669472

約数和(自身を除く): 73694497

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 9013, 23075, 45065, 117169, 225325, 585845, 639923, 2929225, 3199615, 8318999, 15998075, 41594995, 207974975]

約数ペア:

[(1, 207974975), (5, 41594995), (13, 15998075), (25, 8318999), (65, 3199615), (71, 2929225), (325, 639923), (355, 585845), (923, 225325), (1775, 117169), (4615, 45065), (9013, 23075)]