208764415

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{4447}}^1$

素因数の和:4722

約数の個数: 16

約数和(自身を含む): 257806080

約数和(自身を除く): 49041665

約数列:

[1, 5, 41, 205, 229, 1145, 4447, 9389, 22235, 46945, 182327, 911635, 1018363, 5091815, 41752883, 208764415]

約数ペア:

[(1, 208764415), (5, 41752883), (41, 5091815), (205, 1018363), (229, 911635), (1145, 182327), (4447, 46945), (9389, 22235)]