290415856

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{22381}}^1$

素因数の和:23200

約数の個数: 20

約数和(自身を含む): 563399704

約数和(自身を除く): 272983848

約数列:

[1, 2, 4, 8, 16, 811, 1622, 3244, 6488, 12976, 22381, 44762, 89524, 179048, 358096, 18150991, 36301982, 72603964, 145207928, 290415856]

約数ペア:

[(1, 290415856), (2, 145207928), (4, 72603964), (8, 36301982), (16, 18150991), (811, 358096), (1622, 179048), (3244, 89524), (6488, 44762), (12976, 22381)]