816103626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 1782684288

約数和(自身を除く): 966580662

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 197, 307, 346, 394, 519, 591, 614, 921, 1038, 1182, 1842, 2249, 2561, 3991, 4498, 5122, 6747, 7683, 7982, 11973, 13494, 15366, 23946, 34081, 53111, 60479, 68162, 102243, 106222, 120958, 159333, 181437, 204486, 318666, 362874, 443053, 690443, 786227, 886106, 1329159, 1380886, 1572454, 2071329, 2358681, 2658318, 4142658, 4717362, 10462867, 20925734, 31388601, 62777202, 136017271, 272034542, 408051813, 816103626]

約数ペア:

[(1, 816103626), (2, 408051813), (3, 272034542), (6, 136017271), (13, 62777202), (26, 31388601), (39, 20925734), (78, 10462867), (173, 4717362), (197, 4142658), (307, 2658318), (346, 2358681), (394, 2071329), (519, 1572454), (591, 1380886), (614, 1329159), (921, 886106), (1038, 786227), (1182, 690443), (1842, 443053), (2249, 362874), (2561, 318666), (3991, 204486), (4498, 181437), (5122, 159333), (6747, 120958), (7683, 106222), (7982, 102243), (11973, 68162), (13494, 60479), (15366, 53111), (23946, 34081)]