399584272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{7621}}^1$

素因数の和:7771

約数の個数: 40

約数和(自身を含む): 808084440

約数和(自身を除く): 408500168

約数列:

[1, 2, 4, 8, 16, 29, 58, 113, 116, 226, 232, 452, 464, 904, 1808, 3277, 6554, 7621, 13108, 15242, 26216, 30484, 52432, 60968, 121936, 221009, 442018, 861173, 884036, 1722346, 1768072, 3444692, 3536144, 6889384, 13778768, 24974017, 49948034, 99896068, 199792136, 399584272]

約数ペア:

[(1, 399584272), (2, 199792136), (4, 99896068), (8, 49948034), (16, 24974017), (29, 13778768), (58, 6889384), (113, 3536144), (116, 3444692), (226, 1768072), (232, 1722346), (452, 884036), (464, 861173), (904, 442018), (1808, 221009), (3277, 121936), (6554, 60968), (7621, 52432), (13108, 30484), (15242, 26216)]