13261664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15315136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 449, 568, 898, 923, 1136, 1796, 1846, 2272, 3592, 3692, 5837, 7184, 7384, 11674, 14368, 14768, 23348, 29536, 31879, 46696, 63758, 93392, 127516, 186784, 255032, 414427, 510064, 828854, 1020128, 1657708, 3315416, 6630832, 13261664]

約数ペア:

[(1, 13261664), (2, 6630832), (4, 3315416), (8, 1657708), (13, 1020128), (16, 828854), (26, 510064), (32, 414427), (52, 255032), (71, 186784), (104, 127516), (142, 93392), (208, 63758), (284, 46696), (416, 31879), (449, 29536), (568, 23348), (898, 14768), (923, 14368), (1136, 11674), (1796, 7384), (1846, 7184), (2272, 5837), (3592, 3692)]