28229004

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 75409152

約数和(自身を除く): 47180148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 103, 138, 206, 207, 276, 309, 331, 412, 414, 618, 662, 828, 927, 993, 1236, 1324, 1854, 1986, 2369, 2979, 3708, 3972, 4738, 5958, 7107, 7613, 9476, 11916, 14214, 15226, 21321, 22839, 28428, 30452, 34093, 42642, 45678, 68186, 68517, 85284, 91356, 102279, 136372, 137034, 204558, 274068, 306837, 409116, 613674, 784139, 1227348, 1568278, 2352417, 3136556, 4704834, 7057251, 9409668, 14114502, 28229004]

約数ペア:

[(1, 28229004), (2, 14114502), (3, 9409668), (4, 7057251), (6, 4704834), (9, 3136556), (12, 2352417), (18, 1568278), (23, 1227348), (36, 784139), (46, 613674), (69, 409116), (92, 306837), (103, 274068), (138, 204558), (206, 137034), (207, 136372), (276, 102279), (309, 91356), (331, 85284), (412, 68517), (414, 68186), (618, 45678), (662, 42642), (828, 34093), (927, 30452), (993, 28428), (1236, 22839), (1324, 21321), (1854, 15226), (1986, 14214), (2369, 11916), (2979, 9476), (3708, 7613), (3972, 7107), (4738, 5958)]