128468158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 252887040

約数和(自身を除く): 124418882

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 97, 133, 182, 194, 247, 266, 383, 494, 679, 766, 1261, 1358, 1729, 1843, 2522, 2681, 3458, 3686, 4979, 5362, 7277, 8827, 9958, 12901, 14554, 17654, 23959, 25802, 34853, 37151, 47918, 50939, 69706, 74302, 94601, 101878, 167713, 189202, 260057, 335426, 482963, 520114, 662207, 705869, 965926, 1324414, 1411738, 3380741, 4941083, 6761482, 9176297, 9882166, 18352594, 64234079, 128468158]

約数ペア:

[(1, 128468158), (2, 64234079), (7, 18352594), (13, 9882166), (14, 9176297), (19, 6761482), (26, 4941083), (38, 3380741), (91, 1411738), (97, 1324414), (133, 965926), (182, 705869), (194, 662207), (247, 520114), (266, 482963), (383, 335426), (494, 260057), (679, 189202), (766, 167713), (1261, 101878), (1358, 94601), (1729, 74302), (1843, 69706), (2522, 50939), (2681, 47918), (3458, 37151), (3686, 34853), (4979, 25802), (5362, 23959), (7277, 17654), (8827, 14554), (9958, 12901)]