28475076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 78395520

約数和(自身を除く): 49920444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 613, 948, 1106, 1226, 1659, 1839, 2212, 2452, 3318, 3678, 3871, 4291, 6636, 7356, 7742, 8582, 11613, 12873, 15484, 17164, 23226, 25746, 30037, 46452, 48427, 51492, 60074, 90111, 96854, 120148, 145281, 180222, 193708, 290562, 338989, 360444, 581124, 677978, 1016967, 1355956, 2033934, 2372923, 4067868, 4745846, 7118769, 9491692, 14237538, 28475076]

約数ペア:

[(1, 28475076), (2, 14237538), (3, 9491692), (4, 7118769), (6, 4745846), (7, 4067868), (12, 2372923), (14, 2033934), (21, 1355956), (28, 1016967), (42, 677978), (49, 581124), (79, 360444), (84, 338989), (98, 290562), (147, 193708), (158, 180222), (196, 145281), (237, 120148), (294, 96854), (316, 90111), (474, 60074), (553, 51492), (588, 48427), (613, 46452), (948, 30037), (1106, 25746), (1226, 23226), (1659, 17164), (1839, 15484), (2212, 12873), (2452, 11613), (3318, 8582), (3678, 7742), (3871, 7356), (4291, 6636)]