81647464

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{911}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 162518400

約数和(自身を除く): 80870936

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 659, 911, 1318, 1822, 2636, 3644, 5272, 7288, 11203, 15487, 22406, 30974, 44812, 61948, 89624, 123896, 600349, 1200698, 2401396, 4802792, 10205933, 20411866, 40823732, 81647464]

約数ペア:

[(1, 81647464), (2, 40823732), (4, 20411866), (8, 10205933), (17, 4802792), (34, 2401396), (68, 1200698), (136, 600349), (659, 123896), (911, 89624), (1318, 61948), (1822, 44812), (2636, 30974), (3644, 22406), (5272, 15487), (7288, 11203)]