156947901275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{401}}^1\times {\mathrm{1481}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 220072838544

約数和(自身を除く): 63124937269

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 401, 775, 961, 1481, 1705, 2005, 4411, 4805, 7405, 8525, 10025, 10571, 12431, 16291, 22055, 24025, 37025, 45911, 52855, 62155, 81455, 110275, 136741, 229555, 264275, 310775, 385361, 407275, 505021, 593881, 683705, 1147775, 1423241, 1926805, 2525105, 2969405, 3418525, 4238971, 6532691, 7116205, 9634025, 12625525, 14847025, 15655651, 18410311, 21194855, 32663455, 35581025, 78278255, 92051555, 105974275, 163317275, 202513421, 391391275, 460257775, 570719641, 1012567105, 2853598205, 5062835525, 6277916051, 14267991025, 31389580255, 156947901275]

約数ペア:

[(1, 156947901275), (5, 31389580255), (11, 14267991025), (25, 6277916051), (31, 5062835525), (55, 2853598205), (155, 1012567105), (275, 570719641), (341, 460257775), (401, 391391275), (775, 202513421), (961, 163317275), (1481, 105974275), (1705, 92051555), (2005, 78278255), (4411, 35581025), (4805, 32663455), (7405, 21194855), (8525, 18410311), (10025, 15655651), (10571, 14847025), (12431, 12625525), (16291, 9634025), (22055, 7116205), (24025, 6532691), (37025, 4238971), (45911, 3418525), (52855, 2969405), (62155, 2525105), (81455, 1926805), (110275, 1423241), (136741, 1147775), (229555, 683705), (264275, 593881), (310775, 505021), (385361, 407275)]