28145936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1487}}^1$

素因数の和:1528

約数の個数: 60

約数和(自身を含む): 67531392

約数和(自身を除く): 39385456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 1487, 2366, 2704, 2974, 4732, 5948, 9464, 10409, 11896, 18928, 19331, 20818, 23792, 38662, 41636, 77324, 83272, 135317, 154648, 166544, 251303, 270634, 309296, 502606, 541268, 1005212, 1082536, 1759121, 2010424, 2165072, 3518242, 4020848, 7036484, 14072968, 28145936]

約数ペア:

[(1, 28145936), (2, 14072968), (4, 7036484), (7, 4020848), (8, 3518242), (13, 2165072), (14, 2010424), (16, 1759121), (26, 1082536), (28, 1005212), (52, 541268), (56, 502606), (91, 309296), (104, 270634), (112, 251303), (169, 166544), (182, 154648), (208, 135317), (338, 83272), (364, 77324), (676, 41636), (728, 38662), (1183, 23792), (1352, 20818), (1456, 19331), (1487, 18928), (2366, 11896), (2704, 10409), (2974, 9464), (4732, 5948)]