209451505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1\times {\mathrm{1483}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 257289984

約数和(自身を除く): 47838479

約数列:

[1, 5, 47, 235, 601, 1483, 3005, 7415, 28247, 69701, 141235, 348505, 891283, 4456415, 41890301, 209451505]

約数ペア:

[(1, 209451505), (5, 41890301), (47, 4456415), (235, 891283), (601, 348505), (1483, 141235), (3005, 69701), (7415, 28247)]