31686872

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13159}}^1$

素因数の和:13215

約数の個数: 32

約数和(自身を含む): 69484800

約数和(自身を除く): 37797928

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 13159, 26318, 52636, 92113, 105272, 184226, 368452, 565837, 736904, 1131674, 2263348, 3960859, 4526696, 7921718, 15843436, 31686872]

約数ペア:

[(1, 31686872), (2, 15843436), (4, 7921718), (7, 4526696), (8, 3960859), (14, 2263348), (28, 1131674), (43, 736904), (56, 565837), (86, 368452), (172, 184226), (301, 105272), (344, 92113), (602, 52636), (1204, 26318), (2408, 13159)]