198621515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{2791}}^1$

素因数の和:3170

約数の個数: 16

約数和(自身を含む): 244713216

約数和(自身を除く): 46091701

約数列:

[1, 5, 43, 215, 331, 1655, 2791, 13955, 14233, 71165, 120013, 600065, 923821, 4619105, 39724303, 198621515]

約数ペア:

[(1, 198621515), (5, 39724303), (43, 4619105), (215, 923821), (331, 600065), (1655, 120013), (2791, 71165), (13955, 14233)]