2008497765

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 3375820800

約数和(自身を除く): 1367323035

約数列:

[1, 3, 5, 15, 47, 59, 109, 141, 177, 235, 295, 327, 443, 545, 705, 885, 1329, 1635, 2215, 2773, 5123, 6431, 6645, 8319, 13865, 15369, 19293, 20821, 25615, 26137, 32155, 41595, 48287, 62463, 76845, 78411, 96465, 104105, 130685, 144861, 241435, 302257, 312315, 392055, 724305, 906771, 1228439, 1511285, 2269489, 2848933, 3685317, 4533855, 6142195, 6808467, 8546799, 11347445, 14244665, 18426585, 34042335, 42733995, 133899851, 401699553, 669499255, 2008497765]

約数ペア:

[(1, 2008497765), (3, 669499255), (5, 401699553), (15, 133899851), (47, 42733995), (59, 34042335), (109, 18426585), (141, 14244665), (177, 11347445), (235, 8546799), (295, 6808467), (327, 6142195), (443, 4533855), (545, 3685317), (705, 2848933), (885, 2269489), (1329, 1511285), (1635, 1228439), (2215, 906771), (2773, 724305), (5123, 392055), (6431, 312315), (6645, 302257), (8319, 241435), (13865, 144861), (15369, 130685), (19293, 104105), (20821, 96465), (25615, 78411), (26137, 76845), (32155, 62463), (41595, 48287)]