31560490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242773}}^1$

素因数の和:242793

約数の個数: 16

約数和(自身を含む): 61179048

約数和(自身を除く): 29618558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 242773, 485546, 1213865, 2427730, 3156049, 6312098, 15780245, 31560490]

約数ペア:

[(1, 31560490), (2, 15780245), (5, 6312098), (10, 3156049), (13, 2427730), (26, 1213865), (65, 485546), (130, 242773)]