20171664478

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{587}}^1\times {\mathrm{3217}}^1$

素因数の和:3929

約数の個数: 48

約数和(自身を含む): 35591981040

約数和(自身を除く): 15420316562

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 587, 763, 1174, 1526, 3217, 4109, 5341, 6434, 8218, 10682, 22519, 28763, 45038, 57526, 63983, 127966, 157633, 315266, 350653, 447881, 701306, 895762, 1888379, 2454571, 3135167, 3776758, 4909142, 6270334, 13218653, 17181997, 26437306, 34363994, 92530571, 185061142, 205833311, 411666622, 1440833177, 2881666354, 10085832239, 20171664478]

約数ペア:

[(1, 20171664478), (2, 10085832239), (7, 2881666354), (14, 1440833177), (49, 411666622), (98, 205833311), (109, 185061142), (218, 92530571), (587, 34363994), (763, 26437306), (1174, 17181997), (1526, 13218653), (3217, 6270334), (4109, 4909142), (5341, 3776758), (6434, 3135167), (8218, 2454571), (10682, 1888379), (22519, 895762), (28763, 701306), (45038, 447881), (57526, 350653), (63983, 315266), (127966, 157633)]