8447270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 16511040

約数和(自身を除く): 8063770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 359, 362, 718, 905, 1795, 1810, 2353, 3590, 4667, 4706, 9334, 11765, 23335, 23530, 46670, 64979, 129958, 324895, 649790, 844727, 1689454, 4223635, 8447270]

約数ペア:

[(1, 8447270), (2, 4223635), (5, 1689454), (10, 844727), (13, 649790), (26, 324895), (65, 129958), (130, 64979), (181, 46670), (359, 23530), (362, 23335), (718, 11765), (905, 9334), (1795, 4706), (1810, 4667), (2353, 3590)]