64128845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 89859456

約数和(自身を除く): 25730611

約数列:

[1, 5, 11, 17, 55, 85, 107, 187, 535, 641, 935, 1177, 1819, 3205, 5885, 7051, 9095, 10897, 20009, 35255, 54485, 68587, 100045, 119867, 342935, 599335, 754457, 1165979, 3772285, 5829895, 12825769, 64128845]

約数ペア:

[(1, 64128845), (5, 12825769), (11, 5829895), (17, 3772285), (55, 1165979), (85, 754457), (107, 599335), (187, 342935), (535, 119867), (641, 100045), (935, 68587), (1177, 54485), (1819, 35255), (3205, 20009), (5885, 10897), (7051, 9095)]