331340288

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{103}}^2$

素因数の和:285

約数の個数: 60

約数和(自身を含む): 679482738

約数和(自身を除く): 348142450

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 103, 122, 128, 206, 244, 256, 412, 488, 512, 824, 976, 1648, 1952, 3296, 3904, 6283, 6592, 7808, 10609, 12566, 13184, 15616, 21218, 25132, 26368, 31232, 42436, 50264, 52736, 84872, 100528, 169744, 201056, 339488, 402112, 647149, 678976, 804224, 1294298, 1357952, 1608448, 2588596, 2715904, 3216896, 5177192, 5431808, 10354384, 20708768, 41417536, 82835072, 165670144, 331340288]

約数ペア:

[(1, 331340288), (2, 165670144), (4, 82835072), (8, 41417536), (16, 20708768), (32, 10354384), (61, 5431808), (64, 5177192), (103, 3216896), (122, 2715904), (128, 2588596), (206, 1608448), (244, 1357952), (256, 1294298), (412, 804224), (488, 678976), (512, 647149), (824, 402112), (976, 339488), (1648, 201056), (1952, 169744), (3296, 100528), (3904, 84872), (6283, 52736), (6592, 50264), (7808, 42436), (10609, 31232), (12566, 26368), (13184, 25132), (15616, 21218)]