128181972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 335301120

約数和(自身を除く): 207119148

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 47, 51, 58, 68, 87, 94, 102, 116, 141, 174, 188, 204, 282, 348, 461, 493, 564, 799, 922, 986, 1363, 1383, 1479, 1598, 1844, 1972, 2397, 2726, 2766, 2958, 3196, 4089, 4794, 5452, 5532, 5916, 7837, 8178, 9588, 13369, 15674, 16356, 21667, 23171, 23511, 26738, 31348, 40107, 43334, 46342, 47022, 53476, 65001, 69513, 80214, 86668, 92684, 94044, 130002, 139026, 160428, 227273, 260004, 278052, 368339, 454546, 628343, 681819, 736678, 909092, 1105017, 1256686, 1363638, 1473356, 1885029, 2210034, 2513372, 2727276, 3770058, 4420068, 7540116, 10681831, 21363662, 32045493, 42727324, 64090986, 128181972]

約数ペア:

[(1, 128181972), (2, 64090986), (3, 42727324), (4, 32045493), (6, 21363662), (12, 10681831), (17, 7540116), (29, 4420068), (34, 3770058), (47, 2727276), (51, 2513372), (58, 2210034), (68, 1885029), (87, 1473356), (94, 1363638), (102, 1256686), (116, 1105017), (141, 909092), (174, 736678), (188, 681819), (204, 628343), (282, 454546), (348, 368339), (461, 278052), (493, 260004), (564, 227273), (799, 160428), (922, 139026), (986, 130002), (1363, 94044), (1383, 92684), (1479, 86668), (1598, 80214), (1844, 69513), (1972, 65001), (2397, 53476), (2726, 47022), (2766, 46342), (2958, 43334), (3196, 40107), (4089, 31348), (4794, 26738), (5452, 23511), (5532, 23171), (5916, 21667), (7837, 16356), (8178, 15674), (9588, 13369)]