72454448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 92534992

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 152, 176, 188, 209, 304, 376, 418, 461, 517, 752, 836, 893, 922, 1034, 1672, 1786, 1844, 2068, 3344, 3572, 3688, 4136, 5071, 7144, 7376, 8272, 8759, 9823, 10142, 14288, 17518, 19646, 20284, 21667, 35036, 39292, 40568, 43334, 70072, 78584, 81136, 86668, 96349, 140144, 157168, 173336, 192698, 238337, 346672, 385396, 411673, 476674, 770792, 823346, 953348, 1541584, 1646692, 1906696, 3293384, 3813392, 4528403, 6586768, 9056806, 18113612, 36227224, 72454448]

約数ペア:

[(1, 72454448), (2, 36227224), (4, 18113612), (8, 9056806), (11, 6586768), (16, 4528403), (19, 3813392), (22, 3293384), (38, 1906696), (44, 1646692), (47, 1541584), (76, 953348), (88, 823346), (94, 770792), (152, 476674), (176, 411673), (188, 385396), (209, 346672), (304, 238337), (376, 192698), (418, 173336), (461, 157168), (517, 140144), (752, 96349), (836, 86668), (893, 81136), (922, 78584), (1034, 70072), (1672, 43334), (1786, 40568), (1844, 39292), (2068, 35036), (3344, 21667), (3572, 20284), (3688, 19646), (4136, 17518), (5071, 14288), (7144, 10142), (7376, 9823), (8272, 8759)]