55490253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 96983040

約数和(自身を除く): 41492787

約数列:

[1, 3, 7, 13, 21, 29, 39, 43, 87, 91, 129, 163, 203, 273, 301, 377, 489, 559, 609, 903, 1131, 1141, 1247, 1677, 2119, 2639, 3423, 3741, 3913, 4727, 6357, 7009, 7917, 8729, 11739, 14181, 14833, 16211, 21027, 26187, 33089, 44499, 48633, 49063, 61451, 91117, 99267, 113477, 147189, 184353, 203261, 273351, 340431, 430157, 609783, 637819, 1290471, 1422827, 1913457, 2642393, 4268481, 7927179, 18496751, 55490253]

約数ペア:

[(1, 55490253), (3, 18496751), (7, 7927179), (13, 4268481), (21, 2642393), (29, 1913457), (39, 1422827), (43, 1290471), (87, 637819), (91, 609783), (129, 430157), (163, 340431), (203, 273351), (273, 203261), (301, 184353), (377, 147189), (489, 113477), (559, 99267), (609, 91117), (903, 61451), (1131, 49063), (1141, 48633), (1247, 44499), (1677, 33089), (2119, 26187), (2639, 21027), (3423, 16211), (3741, 14833), (3913, 14181), (4727, 11739), (6357, 8729), (7009, 7917)]