42779690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137999}}^1$

素因数の和:138037

約数の個数: 16

約数和(自身を含む): 79488000

約数和(自身を除く): 36708310

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 137999, 275998, 689995, 1379990, 4277969, 8555938, 21389845, 42779690]

約数ペア:

[(1, 42779690), (2, 21389845), (5, 8555938), (10, 4277969), (31, 1379990), (62, 689995), (155, 275998), (310, 137999)]