71317390

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{43753}}^1$

素因数の和:43923

約数の個数: 16

約数和(自身を含む): 129161808

約数和(自身を除く): 57844418

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 43753, 87506, 218765, 437530, 7131739, 14263478, 35658695, 71317390]

約数ペア:

[(1, 71317390), (2, 35658695), (5, 14263478), (10, 7131739), (163, 437530), (326, 218765), (815, 87506), (1630, 43753)]