640664304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1906739}}^1$

素因数の和:1906757

約数の個数: 40

約数和(自身を含む): 1891486080

約数和(自身を除く): 1250821776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1906739, 3813478, 5720217, 7626956, 11440434, 13347173, 15253912, 22880868, 26694346, 30507824, 40041519, 45761736, 53388692, 80083038, 91523472, 106777384, 160166076, 213554768, 320332152, 640664304]

約数ペア:

[(1, 640664304), (2, 320332152), (3, 213554768), (4, 160166076), (6, 106777384), (7, 91523472), (8, 80083038), (12, 53388692), (14, 45761736), (16, 40041519), (21, 30507824), (24, 26694346), (28, 22880868), (42, 15253912), (48, 13347173), (56, 11440434), (84, 7626956), (112, 5720217), (168, 3813478), (336, 1906739)]