398545984

素因数分解:

$2^6\times {\mathrm{661}}^1\times {\mathrm{9421}}^1$

素因数の和:10094

約数の個数: 28

約数和(自身を含む): 792145228

約数和(自身を除く): 393599244

約数列:

[1, 2, 4, 8, 16, 32, 64, 661, 1322, 2644, 5288, 9421, 10576, 18842, 21152, 37684, 42304, 75368, 150736, 301472, 602944, 6227281, 12454562, 24909124, 49818248, 99636496, 199272992, 398545984]

約数ペア:

[(1, 398545984), (2, 199272992), (4, 99636496), (8, 49818248), (16, 24909124), (32, 12454562), (64, 6227281), (661, 602944), (1322, 301472), (2644, 150736), (5288, 75368), (9421, 42304), (10576, 37684), (18842, 21152)]