13337905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 6568655

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 647, 665, 1085, 2945, 3235, 4123, 4529, 12293, 20057, 20615, 22645, 61465, 86051, 100285, 140399, 381083, 430255, 701995, 1905415, 2667581, 13337905]

約数ペア:

[(1, 13337905), (5, 2667581), (7, 1905415), (19, 701995), (31, 430255), (35, 381083), (95, 140399), (133, 100285), (155, 86051), (217, 61465), (589, 22645), (647, 20615), (665, 20057), (1085, 12293), (2945, 4529), (3235, 4123)]