208570467

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 359009280

約数和(自身を除く): 150438813

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 97, 119, 133, 291, 317, 323, 357, 399, 679, 951, 969, 1649, 1843, 2037, 2219, 2261, 4947, 5389, 5529, 6023, 6657, 6783, 11543, 12901, 16167, 18069, 30749, 31331, 34629, 37723, 38703, 42161, 92247, 93993, 102391, 113169, 126483, 215243, 219317, 307173, 522733, 584231, 645729, 657951, 716737, 1568199, 1752693, 2150211, 3659131, 4089617, 9931927, 10977393, 12268851, 29795781, 69523489, 208570467]

約数ペア:

[(1, 208570467), (3, 69523489), (7, 29795781), (17, 12268851), (19, 10977393), (21, 9931927), (51, 4089617), (57, 3659131), (97, 2150211), (119, 1752693), (133, 1568199), (291, 716737), (317, 657951), (323, 645729), (357, 584231), (399, 522733), (679, 307173), (951, 219317), (969, 215243), (1649, 126483), (1843, 113169), (2037, 102391), (2219, 93993), (2261, 92247), (4947, 42161), (5389, 38703), (5529, 37723), (6023, 34629), (6657, 31331), (6783, 30749), (11543, 18069), (12901, 16167)]