128090928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{381223}}^1$

素因数の和:381241

約数の個数: 40

約数和(自身を含む): 378174208

約数和(自身を除く): 250083280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 381223, 762446, 1143669, 1524892, 2287338, 2668561, 3049784, 4574676, 5337122, 6099568, 8005683, 9149352, 10674244, 16011366, 18298704, 21348488, 32022732, 42696976, 64045464, 128090928]

約数ペア:

[(1, 128090928), (2, 64045464), (3, 42696976), (4, 32022732), (6, 21348488), (7, 18298704), (8, 16011366), (12, 10674244), (14, 9149352), (16, 8005683), (21, 6099568), (24, 5337122), (28, 4574676), (42, 3049784), (48, 2668561), (56, 2287338), (84, 1524892), (112, 1143669), (168, 762446), (336, 381223)]