198001128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 567705600

約数和(自身を除く): 369704472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 127, 152, 156, 228, 247, 254, 263, 312, 381, 456, 494, 508, 526, 741, 762, 789, 988, 1016, 1052, 1482, 1524, 1578, 1651, 1976, 2104, 2413, 2964, 3048, 3156, 3302, 3419, 4826, 4953, 4997, 5928, 6312, 6604, 6838, 7239, 9652, 9906, 9994, 10257, 13208, 13676, 14478, 14991, 19304, 19812, 19988, 20514, 27352, 28956, 29982, 31369, 33401, 39624, 39976, 41028, 57912, 59964, 62738, 64961, 66802, 82056, 94107, 100203, 119928, 125476, 129922, 133604, 188214, 194883, 200406, 250952, 259844, 267208, 376428, 389766, 400812, 434213, 519688, 634619, 752856, 779532, 801624, 868426, 1269238, 1302639, 1559064, 1736852, 1903857, 2538476, 2605278, 3473704, 3807714, 5076952, 5210556, 7615428, 8250047, 10421112, 15230856, 16500094, 24750141, 33000188, 49500282, 66000376, 99000564, 198001128]

約数ペア:

[(1, 198001128), (2, 99000564), (3, 66000376), (4, 49500282), (6, 33000188), (8, 24750141), (12, 16500094), (13, 15230856), (19, 10421112), (24, 8250047), (26, 7615428), (38, 5210556), (39, 5076952), (52, 3807714), (57, 3473704), (76, 2605278), (78, 2538476), (104, 1903857), (114, 1736852), (127, 1559064), (152, 1302639), (156, 1269238), (228, 868426), (247, 801624), (254, 779532), (263, 752856), (312, 634619), (381, 519688), (456, 434213), (494, 400812), (508, 389766), (526, 376428), (741, 267208), (762, 259844), (789, 250952), (988, 200406), (1016, 194883), (1052, 188214), (1482, 133604), (1524, 129922), (1578, 125476), (1651, 119928), (1976, 100203), (2104, 94107), (2413, 82056), (2964, 66802), (3048, 64961), (3156, 62738), (3302, 59964), (3419, 57912), (4826, 41028), (4953, 39976), (4997, 39624), (5928, 33401), (6312, 31369), (6604, 29982), (6838, 28956), (7239, 27352), (9652, 20514), (9906, 19988), (9994, 19812), (10257, 19304), (13208, 14991), (13676, 14478)]