85704905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 129103632

約数和(自身を除く): 43398727

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 121, 143, 187, 221, 605, 641, 715, 935, 1105, 1573, 2057, 2431, 3205, 7051, 7865, 8333, 10285, 10897, 12155, 26741, 35255, 41665, 54485, 77561, 91663, 119867, 133705, 141661, 387805, 458315, 599335, 708305, 1008293, 1318537, 1558271, 5041465, 6592685, 7791355, 17140981, 85704905]

約数ペア:

[(1, 85704905), (5, 17140981), (11, 7791355), (13, 6592685), (17, 5041465), (55, 1558271), (65, 1318537), (85, 1008293), (121, 708305), (143, 599335), (187, 458315), (221, 387805), (605, 141661), (641, 133705), (715, 119867), (935, 91663), (1105, 77561), (1573, 54485), (2057, 41665), (2431, 35255), (3205, 26741), (7051, 12155), (7865, 10897), (8333, 10285)]