168411908

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 347512704

約数和(自身を除く): 179100796

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 137, 172, 274, 301, 548, 602, 959, 1021, 1204, 1918, 2042, 3836, 4084, 5891, 7147, 11782, 14294, 23564, 28588, 41237, 43903, 82474, 87806, 139877, 164948, 175612, 279754, 307321, 559508, 614642, 979139, 1229284, 1958278, 3916556, 6014711, 12029422, 24058844, 42102977, 84205954, 168411908]

約数ペア:

[(1, 168411908), (2, 84205954), (4, 42102977), (7, 24058844), (14, 12029422), (28, 6014711), (43, 3916556), (86, 1958278), (137, 1229284), (172, 979139), (274, 614642), (301, 559508), (548, 307321), (602, 279754), (959, 175612), (1021, 164948), (1204, 139877), (1918, 87806), (2042, 82474), (3836, 43903), (4084, 41237), (5891, 28588), (7147, 23564), (11782, 14294)]