128338977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 207011840

約数和(自身を除く): 78672863

約数列:

[1, 3, 13, 19, 31, 37, 39, 57, 93, 111, 151, 247, 403, 453, 481, 589, 703, 741, 1147, 1209, 1443, 1767, 1963, 2109, 2869, 3441, 4681, 5587, 5889, 7657, 8607, 9139, 14043, 14911, 16761, 21793, 22971, 27417, 37297, 44733, 60853, 65379, 72631, 88939, 106153, 111891, 173197, 182559, 217893, 266817, 283309, 318459, 519591, 849927, 1156207, 1379989, 2251561, 3290743, 3468621, 4139967, 6754683, 9872229, 42779659, 128338977]

約数ペア:

[(1, 128338977), (3, 42779659), (13, 9872229), (19, 6754683), (31, 4139967), (37, 3468621), (39, 3290743), (57, 2251561), (93, 1379989), (111, 1156207), (151, 849927), (247, 519591), (403, 318459), (453, 283309), (481, 266817), (589, 217893), (703, 182559), (741, 173197), (1147, 111891), (1209, 106153), (1443, 88939), (1767, 72631), (1963, 65379), (2109, 60853), (2869, 44733), (3441, 37297), (4681, 27417), (5587, 22971), (5889, 21793), (7657, 16761), (8607, 14911), (9139, 14043)]