208244218

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 413280000

約数和(自身を除く): 205035782

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 343, 494, 637, 686, 931, 1229, 1274, 1729, 1862, 2458, 3458, 4459, 6517, 8603, 8918, 12103, 13034, 15977, 17206, 23351, 24206, 31954, 46702, 60221, 84721, 111839, 120442, 163457, 169442, 223678, 303563, 326914, 421547, 607126, 782873, 843094, 1144199, 1565746, 2124941, 2288398, 4249882, 5480111, 8009393, 10960222, 14874587, 16018786, 29749174, 104122109, 208244218]

約数ペア:

[(1, 208244218), (2, 104122109), (7, 29749174), (13, 16018786), (14, 14874587), (19, 10960222), (26, 8009393), (38, 5480111), (49, 4249882), (91, 2288398), (98, 2124941), (133, 1565746), (182, 1144199), (247, 843094), (266, 782873), (343, 607126), (494, 421547), (637, 326914), (686, 303563), (931, 223678), (1229, 169442), (1274, 163457), (1729, 120442), (1862, 111839), (2458, 84721), (3458, 60221), (4459, 46702), (6517, 31954), (8603, 24206), (8918, 23351), (12103, 17206), (13034, 15977)]