1640904958

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{31247}}^1$

素因数の和:31309

約数の個数: 48

約数和(自身を含む): 3191795712

約数和(自身を除く): 1550890754

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 434, 682, 847, 1694, 2387, 3751, 4774, 7502, 26257, 31247, 52514, 62494, 218729, 343717, 437458, 687434, 968657, 1937314, 2406019, 3780887, 4812038, 6780599, 7561774, 10655227, 13561198, 21310454, 26466209, 52932418, 74586589, 117207497, 149173178, 234414994, 820452479, 1640904958]

約数ペア:

[(1, 1640904958), (2, 820452479), (7, 234414994), (11, 149173178), (14, 117207497), (22, 74586589), (31, 52932418), (62, 26466209), (77, 21310454), (121, 13561198), (154, 10655227), (217, 7561774), (242, 6780599), (341, 4812038), (434, 3780887), (682, 2406019), (847, 1937314), (1694, 968657), (2387, 687434), (3751, 437458), (4774, 343717), (7502, 218729), (26257, 62494), (31247, 52514)]