253581984

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{28403}}^1$

素因数の和:28450

約数の個数: 72

約数和(自身を含む): 744412032

約数和(自身を除く): 490830048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 28403, 56806, 85209, 113612, 170418, 227224, 255627, 340836, 454448, 511254, 681672, 880493, 908896, 1022508, 1363344, 1760986, 2045016, 2641479, 2726688, 3521972, 4090032, 5282958, 7043944, 7924437, 8180064, 10565916, 14087888, 15848874, 21131832, 28175776, 31697748, 42263664, 63395496, 84527328, 126790992, 253581984]

約数ペア:

[(1, 253581984), (2, 126790992), (3, 84527328), (4, 63395496), (6, 42263664), (8, 31697748), (9, 28175776), (12, 21131832), (16, 15848874), (18, 14087888), (24, 10565916), (31, 8180064), (32, 7924437), (36, 7043944), (48, 5282958), (62, 4090032), (72, 3521972), (93, 2726688), (96, 2641479), (124, 2045016), (144, 1760986), (186, 1363344), (248, 1022508), (279, 908896), (288, 880493), (372, 681672), (496, 511254), (558, 454448), (744, 340836), (992, 255627), (1116, 227224), (1488, 170418), (2232, 113612), (2976, 85209), (4464, 56806), (8928, 28403)]