28863275

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 43711488

約数和(自身を除く): 14848213

約数列:

[1, 5, 7, 23, 25, 35, 71, 101, 115, 161, 175, 355, 497, 505, 575, 707, 805, 1633, 1775, 2323, 2485, 2525, 3535, 4025, 7171, 8165, 11431, 11615, 12425, 16261, 17675, 35855, 40825, 50197, 57155, 58075, 81305, 164933, 179275, 250985, 285775, 406525, 824665, 1154531, 1254925, 4123325, 5772655, 28863275]

約数ペア:

[(1, 28863275), (5, 5772655), (7, 4123325), (23, 1254925), (25, 1154531), (35, 824665), (71, 406525), (101, 285775), (115, 250985), (161, 179275), (175, 164933), (355, 81305), (497, 58075), (505, 57155), (575, 50197), (707, 40825), (805, 35855), (1633, 17675), (1775, 16261), (2323, 12425), (2485, 11615), (2525, 11431), (3535, 8165), (4025, 7171)]