199049821

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1277}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 216145584

約数和(自身を除く): 17095763

約数列:

[1, 17, 53, 173, 901, 1277, 2941, 9169, 21709, 67681, 155873, 220921, 1150577, 3755657, 11708813, 199049821]

約数ペア:

[(1, 199049821), (17, 11708813), (53, 3755657), (173, 1150577), (901, 220921), (1277, 155873), (2941, 67681), (9169, 21709)]