217491474

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 472826880

約数和(自身を除く): 255335406

約数列:

[1, 2, 3, 6, 29, 31, 58, 61, 62, 87, 93, 122, 174, 183, 186, 366, 661, 899, 1322, 1769, 1798, 1891, 1983, 2697, 3538, 3782, 3966, 5307, 5394, 5673, 10614, 11346, 19169, 20491, 38338, 40321, 40982, 54839, 57507, 61473, 80642, 109678, 115014, 120963, 122946, 164517, 241926, 329034, 594239, 1169309, 1188478, 1249951, 1782717, 2338618, 2499902, 3507927, 3565434, 3749853, 7015854, 7499706, 36248579, 72497158, 108745737, 217491474]

約数ペア:

[(1, 217491474), (2, 108745737), (3, 72497158), (6, 36248579), (29, 7499706), (31, 7015854), (58, 3749853), (61, 3565434), (62, 3507927), (87, 2499902), (93, 2338618), (122, 1782717), (174, 1249951), (183, 1188478), (186, 1169309), (366, 594239), (661, 329034), (899, 241926), (1322, 164517), (1769, 122946), (1798, 120963), (1891, 115014), (1983, 109678), (2697, 80642), (3538, 61473), (3782, 57507), (3966, 54839), (5307, 40982), (5394, 40321), (5673, 38338), (10614, 20491), (11346, 19169)]