8181472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 17654112

約数和(自身を除く): 9472640

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 277, 284, 416, 554, 568, 923, 1108, 1136, 1846, 2216, 2272, 3601, 3692, 4432, 7202, 7384, 8864, 14404, 14768, 19667, 28808, 29536, 39334, 57616, 78668, 115232, 157336, 255671, 314672, 511342, 629344, 1022684, 2045368, 4090736, 8181472]

約数ペア:

[(1, 8181472), (2, 4090736), (4, 2045368), (8, 1022684), (13, 629344), (16, 511342), (26, 314672), (32, 255671), (52, 157336), (71, 115232), (104, 78668), (142, 57616), (208, 39334), (277, 29536), (284, 28808), (416, 19667), (554, 14768), (568, 14404), (923, 8864), (1108, 7384), (1136, 7202), (1846, 4432), (2216, 3692), (2272, 3601)]