390825856

素因数分解:

$2^7\times {\mathrm{397}}^1\times {\mathrm{7691}}^1$

素因数の和:8102

約数の個数: 32

約数和(自身を含む): 780661080

約数和(自身を除く): 389835224

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 397, 794, 1588, 3176, 6352, 7691, 12704, 15382, 25408, 30764, 50816, 61528, 123056, 246112, 492224, 984448, 3053327, 6106654, 12213308, 24426616, 48853232, 97706464, 195412928, 390825856]

約数ペア:

[(1, 390825856), (2, 195412928), (4, 97706464), (8, 48853232), (16, 24426616), (32, 12213308), (64, 6106654), (128, 3053327), (397, 984448), (794, 492224), (1588, 246112), (3176, 123056), (6352, 61528), (7691, 50816), (12704, 30764), (15382, 25408)]