31197258

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 40687542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 79, 103, 142, 158, 206, 213, 237, 309, 426, 474, 618, 639, 711, 927, 1278, 1422, 1854, 1917, 2133, 2781, 3834, 4266, 5562, 5609, 7313, 8137, 11218, 14626, 16274, 16827, 21939, 24411, 33654, 43878, 48822, 50481, 65817, 73233, 100962, 131634, 146466, 151443, 197451, 219699, 302886, 394902, 439398, 577727, 1155454, 1733181, 3466362, 5199543, 10399086, 15598629, 31197258]

約数ペア:

[(1, 31197258), (2, 15598629), (3, 10399086), (6, 5199543), (9, 3466362), (18, 1733181), (27, 1155454), (54, 577727), (71, 439398), (79, 394902), (103, 302886), (142, 219699), (158, 197451), (206, 151443), (213, 146466), (237, 131634), (309, 100962), (426, 73233), (474, 65817), (618, 50481), (639, 48822), (711, 43878), (927, 33654), (1278, 24411), (1422, 21939), (1854, 16827), (1917, 16274), (2133, 14626), (2781, 11218), (3834, 8137), (4266, 7313), (5562, 5609)]