211853290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4951}}^1$

素因数の和:5358

約数の個数: 32

約数和(自身を含む): 417156480

約数和(自身を除く): 205303190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 4951, 8558, 9902, 21395, 24755, 42790, 49510, 54461, 108922, 272305, 544610, 1925939, 3851878, 9629695, 19259390, 21185329, 42370658, 105926645, 211853290]

約数ペア:

[(1, 211853290), (2, 105926645), (5, 42370658), (10, 21185329), (11, 19259390), (22, 9629695), (55, 3851878), (110, 1925939), (389, 544610), (778, 272305), (1945, 108922), (3890, 54461), (4279, 49510), (4951, 42790), (8558, 24755), (9902, 21395)]