1640609968

素因数分解:

$2^4\times {\mathrm{2971}}^1\times {\mathrm{34513}}^1$

素因数の和:37492

約数の個数: 20

約数和(自身を含む): 3179843848

約数和(自身を除く): 1539233880

約数列:

[1, 2, 4, 8, 16, 2971, 5942, 11884, 23768, 34513, 47536, 69026, 138052, 276104, 552208, 102538123, 205076246, 410152492, 820304984, 1640609968]

約数ペア:

[(1, 1640609968), (2, 820304984), (4, 410152492), (8, 205076246), (16, 102538123), (2971, 552208), (5942, 276104), (11884, 138052), (23768, 69026), (34513, 47536)]