637636688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2944

約数の個数: 80

約数和(自身を含む): 1414024080

約数和(自身を除く): 776387392

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 37, 52, 58, 74, 104, 116, 148, 208, 232, 296, 377, 464, 481, 592, 754, 962, 1073, 1508, 1924, 2146, 2857, 3016, 3848, 4292, 5714, 6032, 7696, 8584, 11428, 13949, 17168, 22856, 27898, 37141, 45712, 55796, 74282, 82853, 105709, 111592, 148564, 165706, 211418, 223184, 297128, 331412, 422836, 594256, 662824, 845672, 1077089, 1325648, 1374217, 1691344, 2154178, 2748434, 3065561, 4308356, 5496868, 6131122, 8616712, 10993736, 12262244, 17233424, 21987472, 24524488, 39852293, 49048976, 79704586, 159409172, 318818344, 637636688]

約数ペア:

[(1, 637636688), (2, 318818344), (4, 159409172), (8, 79704586), (13, 49048976), (16, 39852293), (26, 24524488), (29, 21987472), (37, 17233424), (52, 12262244), (58, 10993736), (74, 8616712), (104, 6131122), (116, 5496868), (148, 4308356), (208, 3065561), (232, 2748434), (296, 2154178), (377, 1691344), (464, 1374217), (481, 1325648), (592, 1077089), (754, 845672), (962, 662824), (1073, 594256), (1508, 422836), (1924, 331412), (2146, 297128), (2857, 223184), (3016, 211418), (3848, 165706), (4292, 148564), (5714, 111592), (6032, 105709), (7696, 82853), (8584, 74282), (11428, 55796), (13949, 45712), (17168, 37141), (22856, 27898)]