28878685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 40580352

約数和(自身を除く): 11701667

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 617, 851, 1265, 2035, 3085, 4255, 6787, 9361, 14191, 22829, 33935, 46805, 70955, 114145, 156101, 251119, 525067, 780505, 1255595, 2625335, 5775737, 28878685]

約数ペア:

[(1, 28878685), (5, 5775737), (11, 2625335), (23, 1255595), (37, 780505), (55, 525067), (115, 251119), (185, 156101), (253, 114145), (407, 70955), (617, 46805), (851, 33935), (1265, 22829), (2035, 14191), (3085, 9361), (4255, 6787)]