28103838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 68567040

約数和(自身を除く): 40463202

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 47, 69, 94, 138, 141, 161, 282, 322, 329, 483, 619, 658, 966, 987, 1081, 1238, 1857, 1974, 2162, 3243, 3714, 4333, 6486, 7567, 8666, 12999, 14237, 15134, 22701, 25998, 28474, 29093, 42711, 45402, 58186, 85422, 87279, 99659, 174558, 199318, 203651, 298977, 407302, 597954, 610953, 669139, 1221906, 1338278, 2007417, 4014834, 4683973, 9367946, 14051919, 28103838]

約数ペア:

[(1, 28103838), (2, 14051919), (3, 9367946), (6, 4683973), (7, 4014834), (14, 2007417), (21, 1338278), (23, 1221906), (42, 669139), (46, 610953), (47, 597954), (69, 407302), (94, 298977), (138, 203651), (141, 199318), (161, 174558), (282, 99659), (322, 87279), (329, 85422), (483, 58186), (619, 45402), (658, 42711), (966, 29093), (987, 28474), (1081, 25998), (1238, 22701), (1857, 15134), (1974, 14237), (2162, 12999), (3243, 8666), (3714, 7567), (4333, 6486)]