209526985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{5903}}^1$

素因数の和:6168

約数の個数: 16

約数和(自身を含む): 260720640

約数和(自身を除く): 51193655

約数列:

[1, 5, 31, 155, 229, 1145, 5903, 7099, 29515, 35495, 182993, 914965, 1351787, 6758935, 41905397, 209526985]

約数ペア:

[(1, 209526985), (5, 41905397), (31, 6758935), (155, 1351787), (229, 914965), (1145, 182993), (5903, 35495), (7099, 29515)]