42640376

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{171937}}^1$

素因数の和:171974

約数の個数: 16

約数和(自身を含む): 82530240

約数和(自身を除く): 39889864

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 171937, 343874, 687748, 1375496, 5330047, 10660094, 21320188, 42640376]

約数ペア:

[(1, 42640376), (2, 21320188), (4, 10660094), (8, 5330047), (31, 1375496), (62, 687748), (124, 343874), (248, 171937)]