688901285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 893493504

約数和(自身を除く): 204592219

約数列:

[1, 5, 17, 71, 85, 211, 355, 541, 1055, 1207, 2705, 3587, 6035, 9197, 14981, 17935, 38411, 45985, 74905, 114151, 192055, 254677, 570755, 652987, 1273385, 1940567, 3264935, 8104721, 9702835, 40523605, 137780257, 688901285]

約数ペア:

[(1, 688901285), (5, 137780257), (17, 40523605), (71, 9702835), (85, 8104721), (211, 3264935), (355, 1940567), (541, 1273385), (1055, 652987), (1207, 570755), (2705, 254677), (3587, 192055), (6035, 114151), (9197, 74905), (14981, 45985), (17935, 38411)]