81757168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{863}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 164560896

約数和(自身を除く): 82803728

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 191, 248, 382, 496, 764, 863, 1528, 1726, 3056, 3452, 5921, 6904, 11842, 13808, 23684, 26753, 47368, 53506, 94736, 107012, 164833, 214024, 329666, 428048, 659332, 1318664, 2637328, 5109823, 10219646, 20439292, 40878584, 81757168]

約数ペア:

[(1, 81757168), (2, 40878584), (4, 20439292), (8, 10219646), (16, 5109823), (31, 2637328), (62, 1318664), (124, 659332), (191, 428048), (248, 329666), (382, 214024), (496, 164833), (764, 107012), (863, 94736), (1528, 53506), (1726, 47368), (3056, 26753), (3452, 23684), (5921, 13808), (6904, 11842)]