31091270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{821}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 64155456

約数和(自身を除く): 33064186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 541, 821, 1082, 1642, 2705, 3787, 4105, 5410, 5747, 7574, 8210, 11494, 18935, 28735, 37870, 57470, 444161, 888322, 2220805, 3109127, 4441610, 6218254, 15545635, 31091270]

約数ペア:

[(1, 31091270), (2, 15545635), (5, 6218254), (7, 4441610), (10, 3109127), (14, 2220805), (35, 888322), (70, 444161), (541, 57470), (821, 37870), (1082, 28735), (1642, 18935), (2705, 11494), (3787, 8210), (4105, 7574), (5410, 5747)]