678985005

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{1979}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 1103414400

約数和(自身を除く): 424429395

約数列:

[1, 3, 5, 15, 89, 257, 267, 445, 771, 1285, 1335, 1979, 3855, 5937, 9895, 22873, 29685, 68619, 114365, 176131, 343095, 508603, 528393, 880655, 1525809, 2543015, 2641965, 7629045, 45265667, 135797001, 226328335, 678985005]

約数ペア:

[(1, 678985005), (3, 226328335), (5, 135797001), (15, 45265667), (89, 7629045), (257, 2641965), (267, 2543015), (445, 1525809), (771, 880655), (1285, 528393), (1335, 508603), (1979, 343095), (3855, 176131), (5937, 114365), (9895, 68619), (22873, 29685)]