28239485281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 37447971840

約数和(自身を除く): 9208486559

約数列:

[1, 7, 17, 19, 53, 79, 119, 133, 157, 323, 361, 371, 553, 901, 1007, 1099, 1343, 1501, 2261, 2527, 2669, 2983, 4187, 6137, 6307, 7049, 8321, 9401, 10507, 12403, 17119, 18683, 19133, 20881, 25517, 28519, 29309, 42959, 50711, 56677, 58247, 71179, 79553, 86821, 119833, 133931, 141457, 158099, 178619, 199633, 210851, 235657, 325261, 354977, 396739, 484823, 498253, 556871, 657359, 963509, 990199, 1106693, 1352401, 1475957, 1511507, 1649599, 2276827, 2687683, 3003881, 3393761, 4006169, 4477483, 4601513, 6744563, 9466807, 10580549, 11175103, 12489821, 18813781, 21027167, 25695619, 28043183, 31342381, 51065977, 76117211, 78225721, 87428747, 179869333, 212326957, 237306599, 357461839, 532820477, 1486288699, 1661146193, 4034212183, 28239485281]

約数ペア:

[(1, 28239485281), (7, 4034212183), (17, 1661146193), (19, 1486288699), (53, 532820477), (79, 357461839), (119, 237306599), (133, 212326957), (157, 179869333), (323, 87428747), (361, 78225721), (371, 76117211), (553, 51065977), (901, 31342381), (1007, 28043183), (1099, 25695619), (1343, 21027167), (1501, 18813781), (2261, 12489821), (2527, 11175103), (2669, 10580549), (2983, 9466807), (4187, 6744563), (6137, 4601513), (6307, 4477483), (7049, 4006169), (8321, 3393761), (9401, 3003881), (10507, 2687683), (12403, 2276827), (17119, 1649599), (18683, 1511507), (19133, 1475957), (20881, 1352401), (25517, 1106693), (28519, 990199), (29309, 963509), (42959, 657359), (50711, 556871), (56677, 498253), (58247, 484823), (71179, 396739), (79553, 354977), (86821, 325261), (119833, 235657), (133931, 210851), (141457, 199633), (158099, 178619)]