686052055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2437}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 914191488

約数和(自身を除く): 228139433

約数列:

[1, 5, 13, 61, 65, 71, 305, 355, 793, 923, 2437, 3965, 4331, 4615, 12185, 21655, 31681, 56303, 148657, 158405, 173027, 281515, 743285, 865135, 1932541, 2249351, 9662705, 10554647, 11246755, 52773235, 137210411, 686052055]

約数ペア:

[(1, 686052055), (5, 137210411), (13, 52773235), (61, 11246755), (65, 10554647), (71, 9662705), (305, 2249351), (355, 1932541), (793, 865135), (923, 743285), (2437, 281515), (3965, 173027), (4331, 158405), (4615, 148657), (12185, 56303), (21655, 31681)]