171969968

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{54559}}^1$

素因数の和:54764

約数の個数: 20

約数和(自身を含む): 334889280

約数和(自身を除く): 162919312

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 54559, 109118, 218236, 436472, 872944, 10748123, 21496246, 42992492, 85984984, 171969968]

約数ペア:

[(1, 171969968), (2, 85984984), (4, 42992492), (8, 21496246), (16, 10748123), (197, 872944), (394, 436472), (788, 218236), (1576, 109118), (3152, 54559)]