128790636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 339450048

約数和(自身を除く): 210659412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 53, 74, 78, 106, 111, 148, 156, 159, 212, 222, 318, 421, 444, 481, 636, 689, 842, 962, 1263, 1378, 1443, 1684, 1924, 1961, 2067, 2526, 2756, 2886, 3922, 4134, 5052, 5473, 5772, 5883, 7844, 8268, 10946, 11766, 15577, 16419, 21892, 22313, 23532, 25493, 31154, 32838, 44626, 46731, 50986, 62308, 65676, 66939, 76479, 89252, 93462, 101972, 133878, 152958, 186924, 202501, 267756, 290069, 305916, 405002, 580138, 607503, 810004, 825581, 870207, 1160276, 1215006, 1651162, 1740414, 2430012, 2476743, 3302324, 3480828, 4953486, 9906972, 10732553, 21465106, 32197659, 42930212, 64395318, 128790636]

約数ペア:

[(1, 128790636), (2, 64395318), (3, 42930212), (4, 32197659), (6, 21465106), (12, 10732553), (13, 9906972), (26, 4953486), (37, 3480828), (39, 3302324), (52, 2476743), (53, 2430012), (74, 1740414), (78, 1651162), (106, 1215006), (111, 1160276), (148, 870207), (156, 825581), (159, 810004), (212, 607503), (222, 580138), (318, 405002), (421, 305916), (444, 290069), (481, 267756), (636, 202501), (689, 186924), (842, 152958), (962, 133878), (1263, 101972), (1378, 93462), (1443, 89252), (1684, 76479), (1924, 66939), (1961, 65676), (2067, 62308), (2526, 50986), (2756, 46731), (2886, 44626), (3922, 32838), (4134, 31154), (5052, 25493), (5473, 23532), (5772, 22313), (5883, 21892), (7844, 16419), (8268, 15577), (10946, 11766)]