245812021

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{4421}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 310742784

約数和(自身を除く): 64930763

約数列:

[1, 7, 13, 47, 91, 169, 329, 611, 1183, 4277, 4421, 7943, 30947, 55601, 57473, 207787, 402311, 747149, 1454509, 2701231, 5230043, 18908617, 35116003, 245812021]

約数ペア:

[(1, 245812021), (7, 35116003), (13, 18908617), (47, 5230043), (91, 2701231), (169, 1454509), (329, 747149), (611, 402311), (1183, 207787), (4277, 57473), (4421, 55601), (7943, 30947)]