81429921736

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1\times {\mathrm{1759}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 155449958400

約数和(自身を除く): 74020036664

約数列:

[1, 2, 4, 8, 131, 163, 262, 271, 326, 524, 542, 652, 1048, 1084, 1304, 1759, 2168, 3518, 7036, 14072, 21353, 35501, 42706, 44173, 71002, 85412, 88346, 142004, 170824, 176692, 230429, 284008, 286717, 353384, 460858, 476689, 573434, 921716, 953378, 1146868, 1843432, 1906756, 2293736, 3813512, 5786663, 11573326, 23146652, 37559927, 46293304, 62446259, 75119854, 77700307, 124892518, 150239708, 155400614, 249785036, 300479416, 310801228, 499570072, 621602456, 10178740217, 20357480434, 40714960868, 81429921736]

約数ペア:

[(1, 81429921736), (2, 40714960868), (4, 20357480434), (8, 10178740217), (131, 621602456), (163, 499570072), (262, 310801228), (271, 300479416), (326, 249785036), (524, 155400614), (542, 150239708), (652, 124892518), (1048, 77700307), (1084, 75119854), (1304, 62446259), (1759, 46293304), (2168, 37559927), (3518, 23146652), (7036, 11573326), (14072, 5786663), (21353, 3813512), (35501, 2293736), (42706, 1906756), (44173, 1843432), (71002, 1146868), (85412, 953378), (88346, 921716), (142004, 573434), (170824, 476689), (176692, 460858), (230429, 353384), (284008, 286717)]