210993895

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 295612416

約数和(自身を除く): 84618521

約数列:

[1, 5, 7, 35, 71, 197, 355, 431, 497, 985, 1379, 2155, 2485, 3017, 6895, 13987, 15085, 30601, 69935, 84907, 97909, 153005, 214207, 424535, 489545, 594349, 1071035, 2971745, 6028397, 30141985, 42198779, 210993895]

約数ペア:

[(1, 210993895), (5, 42198779), (7, 30141985), (35, 6028397), (71, 2971745), (197, 1071035), (355, 594349), (431, 489545), (497, 424535), (985, 214207), (1379, 153005), (2155, 97909), (2485, 84907), (3017, 69935), (6895, 30601), (13987, 15085)]