28618190

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 52747200

約数和(自身を除く): 24129010

約数列:

[1, 2, 5, 10, 73, 146, 197, 199, 365, 394, 398, 730, 985, 995, 1970, 1990, 14381, 14527, 28762, 29054, 39203, 71905, 72635, 78406, 143810, 145270, 196015, 392030, 2861819, 5723638, 14309095, 28618190]

約数ペア:

[(1, 28618190), (2, 14309095), (5, 5723638), (10, 2861819), (73, 392030), (146, 196015), (197, 145270), (199, 143810), (365, 78406), (394, 72635), (398, 71905), (730, 39203), (985, 29054), (995, 28762), (1970, 14527), (1990, 14381)]