2017997488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 4301946880

約数和(自身を除く): 2283949392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 127, 158, 208, 254, 316, 508, 632, 967, 1016, 1027, 1264, 1651, 1934, 2032, 2054, 3302, 3868, 4108, 6604, 7736, 8216, 10033, 12571, 13208, 15472, 16432, 20066, 25142, 26416, 40132, 50284, 76393, 80264, 100568, 122809, 130429, 152786, 160528, 201136, 245618, 260858, 305572, 491236, 521716, 611144, 982472, 993109, 1043432, 1222288, 1596517, 1964944, 1986218, 2086864, 3193034, 3972436, 6386068, 7944872, 9701911, 12772136, 15889744, 19403822, 25544272, 38807644, 77615288, 126124843, 155230576, 252249686, 504499372, 1008998744, 2017997488]

約数ペア:

[(1, 2017997488), (2, 1008998744), (4, 504499372), (8, 252249686), (13, 155230576), (16, 126124843), (26, 77615288), (52, 38807644), (79, 25544272), (104, 19403822), (127, 15889744), (158, 12772136), (208, 9701911), (254, 7944872), (316, 6386068), (508, 3972436), (632, 3193034), (967, 2086864), (1016, 1986218), (1027, 1964944), (1264, 1596517), (1651, 1222288), (1934, 1043432), (2032, 993109), (2054, 982472), (3302, 611144), (3868, 521716), (4108, 491236), (6604, 305572), (7736, 260858), (8216, 245618), (10033, 201136), (12571, 160528), (13208, 152786), (15472, 130429), (16432, 122809), (20066, 100568), (25142, 80264), (26416, 76393), (40132, 50284)]