278156135

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{1021}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 352663584

約数和(自身を除く): 74507449

約数列:

[1, 5, 23, 103, 115, 515, 529, 1021, 2369, 2645, 5105, 11845, 23483, 54487, 105163, 117415, 272435, 525815, 540109, 2418749, 2700545, 12093745, 55631227, 278156135]

約数ペア:

[(1, 278156135), (5, 55631227), (23, 12093745), (103, 2700545), (115, 2418749), (515, 540109), (529, 525815), (1021, 272435), (2369, 117415), (2645, 105163), (5105, 54487), (11845, 23483)]