28399452

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 74269440

約数和(自身を除く): 45869988

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 289, 323, 431, 578, 646, 862, 867, 969, 1156, 1292, 1293, 1724, 1734, 1938, 2586, 3468, 3876, 5172, 5491, 7327, 8189, 10982, 14654, 16378, 16473, 21964, 21981, 24567, 29308, 32756, 32946, 43962, 49134, 65892, 87924, 98268, 124559, 139213, 249118, 278426, 373677, 417639, 498236, 556852, 747354, 835278, 1494708, 1670556, 2366621, 4733242, 7099863, 9466484, 14199726, 28399452]

約数ペア:

[(1, 28399452), (2, 14199726), (3, 9466484), (4, 7099863), (6, 4733242), (12, 2366621), (17, 1670556), (19, 1494708), (34, 835278), (38, 747354), (51, 556852), (57, 498236), (68, 417639), (76, 373677), (102, 278426), (114, 249118), (204, 139213), (228, 124559), (289, 98268), (323, 87924), (431, 65892), (578, 49134), (646, 43962), (862, 32946), (867, 32756), (969, 29308), (1156, 24567), (1292, 21981), (1293, 21964), (1724, 16473), (1734, 16378), (1938, 14654), (2586, 10982), (3468, 8189), (3876, 7327), (5172, 5491)]