257286652

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{12043}}^1$

素因数の和:12170

約数の個数: 36

約数和(自身を含む): 528611160

約数和(自身を除く): 271324508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1526, 3052, 5341, 10682, 12043, 21364, 24086, 48172, 84301, 168602, 337204, 590107, 1180214, 1312687, 2360428, 2625374, 5250748, 9188809, 18377618, 36755236, 64321663, 128643326, 257286652]

約数ペア:

[(1, 257286652), (2, 128643326), (4, 64321663), (7, 36755236), (14, 18377618), (28, 9188809), (49, 5250748), (98, 2625374), (109, 2360428), (196, 1312687), (218, 1180214), (436, 590107), (763, 337204), (1526, 168602), (3052, 84301), (5341, 48172), (10682, 24086), (12043, 21364)]