200912984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{6379}}^1$

素因数の和:6543

約数の個数: 32

約数和(自身を含む): 391987200

約数和(自身を除く): 191074216

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 6379, 7874, 12758, 15748, 25516, 31496, 51032, 197749, 395498, 790996, 810133, 1581992, 1620266, 3240532, 6481064, 25114123, 50228246, 100456492, 200912984]

約数ペア:

[(1, 200912984), (2, 100456492), (4, 50228246), (8, 25114123), (31, 6481064), (62, 3240532), (124, 1620266), (127, 1581992), (248, 810133), (254, 790996), (508, 395498), (1016, 197749), (3937, 51032), (6379, 31496), (7874, 25516), (12758, 15748)]