28170415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 42086016

約数和(自身を除く): 13915601

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 455, 505, 613, 707, 1313, 3065, 3535, 4291, 6565, 7969, 9191, 21455, 39845, 45955, 55783, 61913, 278915, 309565, 433391, 804869, 2166955, 4024345, 5634083, 28170415]

約数ペア:

[(1, 28170415), (5, 5634083), (7, 4024345), (13, 2166955), (35, 804869), (65, 433391), (91, 309565), (101, 278915), (455, 61913), (505, 55783), (613, 45955), (707, 39845), (1313, 21455), (3065, 9191), (3535, 7969), (4291, 6565)]