457808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 999936

約数和(自身を除く): 542128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 208, 248, 284, 403, 496, 568, 806, 923, 1136, 1612, 1846, 2201, 3224, 3692, 4402, 6448, 7384, 8804, 14768, 17608, 28613, 35216, 57226, 114452, 228904, 457808]

約数ペア:

[(1, 457808), (2, 228904), (4, 114452), (8, 57226), (13, 35216), (16, 28613), (26, 17608), (31, 14768), (52, 8804), (62, 7384), (71, 6448), (104, 4402), (124, 3692), (142, 3224), (208, 2201), (248, 1846), (284, 1612), (403, 1136), (496, 923), (568, 806)]