28019870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 53719200

約数和(自身を除く): 25699330

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1657, 1691, 3314, 3382, 8285, 8455, 16570, 16910, 31483, 62966, 147473, 157415, 294946, 314830, 737365, 1474730, 2801987, 5603974, 14009935, 28019870]

約数ペア:

[(1, 28019870), (2, 14009935), (5, 5603974), (10, 2801987), (19, 1474730), (38, 737365), (89, 314830), (95, 294946), (178, 157415), (190, 147473), (445, 62966), (890, 31483), (1657, 16910), (1691, 16570), (3314, 8455), (3382, 8285)]