208508636

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{20743}}^1$

素因数の和:21113

約数の個数: 24

約数和(自身を含む): 418199040

約数和(自身を除く): 209690404

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 10052, 20743, 41486, 82972, 145201, 290402, 580804, 7446737, 14893474, 29786948, 52127159, 104254318, 208508636]

約数ペア:

[(1, 208508636), (2, 104254318), (4, 52127159), (7, 29786948), (14, 14893474), (28, 7446737), (359, 580804), (718, 290402), (1436, 145201), (2513, 82972), (5026, 41486), (10052, 20743)]