28901870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 55427328

約数和(自身を除く): 26525458

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 863, 985, 1726, 1970, 3349, 4315, 6698, 8630, 14671, 16745, 29342, 33490, 73355, 146710, 170011, 340022, 850055, 1700110, 2890187, 5780374, 14450935, 28901870]

約数ペア:

[(1, 28901870), (2, 14450935), (5, 5780374), (10, 2890187), (17, 1700110), (34, 850055), (85, 340022), (170, 170011), (197, 146710), (394, 73355), (863, 33490), (985, 29342), (1726, 16745), (1970, 14671), (3349, 8630), (4315, 6698)]