870428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 1728720

約数和(自身を除く): 858292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 881, 988, 1762, 3524, 11453, 16739, 22906, 33478, 45812, 66956, 217607, 435214, 870428]

約数ペア:

[(1, 870428), (2, 435214), (4, 217607), (13, 66956), (19, 45812), (26, 33478), (38, 22906), (52, 16739), (76, 11453), (247, 3524), (494, 1762), (881, 988)]