1989704

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 1950136

約数列:

[1, 2, 4, 8, 31, 62, 71, 113, 124, 142, 226, 248, 284, 452, 568, 904, 2201, 3503, 4402, 7006, 8023, 8804, 14012, 16046, 17608, 28024, 32092, 64184, 248713, 497426, 994852, 1989704]

約数ペア:

[(1, 1989704), (2, 994852), (4, 497426), (8, 248713), (31, 64184), (62, 32092), (71, 28024), (113, 17608), (124, 16046), (142, 14012), (226, 8804), (248, 8023), (284, 7006), (452, 4402), (568, 3503), (904, 2201)]