397777264

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{75109}}^1$

素因数の和:75448

約数の個数: 20

約数和(自身を含む): 773032120

約数和(自身を除く): 375254856

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 75109, 150218, 300436, 600872, 1201744, 24861079, 49722158, 99444316, 198888632, 397777264]

約数ペア:

[(1, 397777264), (2, 198888632), (4, 99444316), (8, 49722158), (16, 24861079), (331, 1201744), (662, 600872), (1324, 300436), (2648, 150218), (5296, 75109)]