398901126

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{467}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 883104768

約数和(自身を除く): 484203642

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 233, 282, 466, 467, 611, 699, 934, 1222, 1398, 1401, 1833, 2802, 3029, 3666, 6058, 6071, 9087, 10951, 12142, 18174, 18213, 21902, 21949, 32853, 36426, 43898, 65706, 65847, 108811, 131694, 142363, 217622, 284726, 285337, 326433, 427089, 570674, 652866, 854178, 856011, 1414543, 1712022, 2829086, 4243629, 5114117, 8487258, 10228234, 15342351, 30684702, 66483521, 132967042, 199450563, 398901126]

約数ペア:

[(1, 398901126), (2, 199450563), (3, 132967042), (6, 66483521), (13, 30684702), (26, 15342351), (39, 10228234), (47, 8487258), (78, 5114117), (94, 4243629), (141, 2829086), (233, 1712022), (282, 1414543), (466, 856011), (467, 854178), (611, 652866), (699, 570674), (934, 427089), (1222, 326433), (1398, 285337), (1401, 284726), (1833, 217622), (2802, 142363), (3029, 131694), (3666, 108811), (6058, 65847), (6071, 65706), (9087, 43898), (10951, 36426), (12142, 32853), (18174, 21949), (18213, 21902)]