220386768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{655913}}^1$

素因数の和:655931

約数の個数: 40

約数和(自身を含む): 650666688

約数和(自身を除く): 430279920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 655913, 1311826, 1967739, 2623652, 3935478, 4591391, 5247304, 7870956, 9182782, 10494608, 13774173, 15741912, 18365564, 27548346, 31483824, 36731128, 55096692, 73462256, 110193384, 220386768]

約数ペア:

[(1, 220386768), (2, 110193384), (3, 73462256), (4, 55096692), (6, 36731128), (7, 31483824), (8, 27548346), (12, 18365564), (14, 15741912), (16, 13774173), (21, 10494608), (24, 9182782), (28, 7870956), (42, 5247304), (48, 4591391), (56, 3935478), (84, 2623652), (112, 1967739), (168, 1311826), (336, 655913)]