129898390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{177943}}^1$

素因数の和:178023

約数の個数: 16

約数和(自身を含む): 237021408

約数和(自身を除く): 107123018

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 177943, 355886, 889715, 1779430, 12989839, 25979678, 64949195, 129898390]

約数ペア:

[(1, 129898390), (2, 64949195), (5, 25979678), (10, 12989839), (73, 1779430), (146, 889715), (365, 355886), (730, 177943)]