199457968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{402133}}^1$

素因数の和:402172

約数の個数: 20

約数和(自身を含む): 398916928

約数和(自身を除く): 199458960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 402133, 804266, 1608532, 3217064, 6434128, 12466123, 24932246, 49864492, 99728984, 199457968]

約数ペア:

[(1, 199457968), (2, 99728984), (4, 49864492), (8, 24932246), (16, 12466123), (31, 6434128), (62, 3217064), (124, 1608532), (248, 804266), (496, 402133)]