520023215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 677721600

約数和(自身を除く): 157698385

約数列:

[1, 5, 23, 29, 115, 145, 211, 667, 739, 1055, 3335, 3695, 4853, 6119, 16997, 21431, 24265, 30595, 84985, 107155, 140737, 155929, 492913, 703685, 779645, 2464565, 3586367, 4521941, 17931835, 22609705, 104004643, 520023215]

約数ペア:

[(1, 520023215), (5, 104004643), (23, 22609705), (29, 17931835), (115, 4521941), (145, 3586367), (211, 2464565), (667, 779645), (739, 703685), (1055, 492913), (3335, 155929), (3695, 140737), (4853, 107155), (6119, 84985), (16997, 30595), (21431, 24265)]