85857275

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 128991744

約数和(自身を除く): 43134469

約数列:

[1, 5, 7, 23, 25, 35, 83, 115, 161, 175, 257, 415, 575, 581, 805, 1285, 1799, 1909, 2075, 2905, 4025, 5911, 6425, 8995, 9545, 13363, 14525, 21331, 29555, 41377, 44975, 47725, 66815, 106655, 147775, 149317, 206885, 334075, 490613, 533275, 746585, 1034425, 2453065, 3434291, 3732925, 12265325, 17171455, 85857275]

約数ペア:

[(1, 85857275), (5, 17171455), (7, 12265325), (23, 3732925), (25, 3434291), (35, 2453065), (83, 1034425), (115, 746585), (161, 533275), (175, 490613), (257, 334075), (415, 206885), (575, 149317), (581, 147775), (805, 106655), (1285, 66815), (1799, 47725), (1909, 44975), (2075, 41377), (2905, 29555), (4025, 21331), (5911, 14525), (6425, 13363), (8995, 9545)]