131010490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{77521}}^1$

素因数の和:77554

約数の個数: 24

約数和(自身を含む): 255357468

約数和(自身を除く): 124346978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 77521, 155042, 387605, 775210, 1007773, 2015546, 5038865, 10077730, 13101049, 26202098, 65505245, 131010490]

約数ペア:

[(1, 131010490), (2, 65505245), (5, 26202098), (10, 13101049), (13, 10077730), (26, 5038865), (65, 2015546), (130, 1007773), (169, 775210), (338, 387605), (845, 155042), (1690, 77521)]