397707952

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{51893}}^1$

素因数の和:52380

約数の個数: 20

約数和(自身を含む): 772182720

約数和(自身を除く): 374474768

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 51893, 103786, 207572, 415144, 830288, 24856747, 49713494, 99426988, 198853976, 397707952]

約数ペア:

[(1, 397707952), (2, 198853976), (4, 99426988), (8, 49713494), (16, 24856747), (479, 830288), (958, 415144), (1916, 207572), (3832, 103786), (7664, 51893)]