355104256

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1783

約数の個数: 80

約数和(自身を含む): 789199488

約数和(自身を除く): 434095232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1721, 1984, 3224, 3328, 3442, 3968, 6448, 6656, 6884, 7936, 12896, 13768, 15872, 22373, 25792, 27536, 44746, 51584, 53351, 55072, 89492, 103168, 106702, 110144, 178984, 206336, 213404, 220288, 357968, 426808, 440576, 693563, 715936, 853616, 881152, 1387126, 1431872, 1707232, 2774252, 2863744, 3414464, 5548504, 5727488, 6828928, 11097008, 11454976, 13657856, 22194016, 27315712, 44388032, 88776064, 177552128, 355104256]

約数ペア:

[(1, 355104256), (2, 177552128), (4, 88776064), (8, 44388032), (13, 27315712), (16, 22194016), (26, 13657856), (31, 11454976), (32, 11097008), (52, 6828928), (62, 5727488), (64, 5548504), (104, 3414464), (124, 2863744), (128, 2774252), (208, 1707232), (248, 1431872), (256, 1387126), (403, 881152), (416, 853616), (496, 715936), (512, 693563), (806, 440576), (832, 426808), (992, 357968), (1612, 220288), (1664, 213404), (1721, 206336), (1984, 178984), (3224, 110144), (3328, 106702), (3442, 103168), (3968, 89492), (6448, 55072), (6656, 53351), (6884, 51584), (7936, 44746), (12896, 27536), (13768, 25792), (15872, 22373)]