28701815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 9231241

約数列:

[1, 5, 23, 31, 83, 97, 115, 155, 415, 485, 713, 1909, 2231, 2573, 3007, 3565, 8051, 9545, 11155, 12865, 15035, 40255, 59179, 69161, 185173, 249581, 295895, 345805, 925865, 1247905, 5740363, 28701815]

約数ペア:

[(1, 28701815), (5, 5740363), (23, 1247905), (31, 925865), (83, 345805), (97, 295895), (115, 249581), (155, 185173), (415, 69161), (485, 59179), (713, 40255), (1909, 15035), (2231, 12865), (2573, 11155), (3007, 9545), (3565, 8051)]