31290378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 76170240

約数和(自身を除く): 44879862

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 113, 114, 133, 226, 266, 339, 347, 399, 678, 694, 791, 798, 1041, 1582, 2082, 2147, 2373, 2429, 4294, 4746, 4858, 6441, 6593, 7287, 12882, 13186, 14574, 15029, 19779, 30058, 39211, 39558, 45087, 46151, 78422, 90174, 92302, 117633, 138453, 235266, 274477, 276906, 548954, 745009, 823431, 1490018, 1646862, 2235027, 4470054, 5215063, 10430126, 15645189, 31290378]

約数ペア:

[(1, 31290378), (2, 15645189), (3, 10430126), (6, 5215063), (7, 4470054), (14, 2235027), (19, 1646862), (21, 1490018), (38, 823431), (42, 745009), (57, 548954), (113, 276906), (114, 274477), (133, 235266), (226, 138453), (266, 117633), (339, 92302), (347, 90174), (399, 78422), (678, 46151), (694, 45087), (791, 39558), (798, 39211), (1041, 30058), (1582, 19779), (2082, 15029), (2147, 14574), (2373, 13186), (2429, 12882), (4294, 7287), (4746, 6593), (4858, 6441)]