28259042

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 27036958

約数列:

[1, 2, 7, 14, 19, 23, 31, 38, 46, 62, 133, 149, 161, 217, 266, 298, 322, 434, 437, 589, 713, 874, 1043, 1178, 1426, 2086, 2831, 3059, 3427, 4123, 4619, 4991, 5662, 6118, 6854, 8246, 9238, 9982, 13547, 19817, 23989, 27094, 32333, 39634, 47978, 64666, 65113, 87761, 94829, 106237, 130226, 175522, 189658, 212474, 455791, 614327, 743659, 911582, 1228654, 1487318, 2018503, 4037006, 14129521, 28259042]

約数ペア:

[(1, 28259042), (2, 14129521), (7, 4037006), (14, 2018503), (19, 1487318), (23, 1228654), (31, 911582), (38, 743659), (46, 614327), (62, 455791), (133, 212474), (149, 189658), (161, 175522), (217, 130226), (266, 106237), (298, 94829), (322, 87761), (434, 65113), (437, 64666), (589, 47978), (713, 39634), (874, 32333), (1043, 27094), (1178, 23989), (1426, 19817), (2086, 13547), (2831, 9982), (3059, 9238), (3427, 8246), (4123, 6854), (4619, 6118), (4991, 5662)]