15720536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 32205600

約数和(自身を除く): 16485064

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2129, 3692, 4258, 7384, 8516, 17032, 27677, 55354, 110708, 151159, 221416, 302318, 604636, 1209272, 1965067, 3930134, 7860268, 15720536]

約数ペア:

[(1, 15720536), (2, 7860268), (4, 3930134), (8, 1965067), (13, 1209272), (26, 604636), (52, 302318), (71, 221416), (104, 151159), (142, 110708), (284, 55354), (568, 27677), (923, 17032), (1846, 8516), (2129, 7384), (3692, 4258)]