138924478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2153}}^1$

素因数の和:2592

約数の個数: 32

約数和(自身を含む): 260547840

約数和(自身を除く): 121623362

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 419, 838, 2153, 2933, 4306, 4609, 5866, 9218, 15071, 23683, 30142, 32263, 47366, 64526, 165781, 331562, 902107, 1804214, 6314749, 9923177, 12629498, 19846354, 69462239, 138924478]

約数ペア:

[(1, 138924478), (2, 69462239), (7, 19846354), (11, 12629498), (14, 9923177), (22, 6314749), (77, 1804214), (154, 902107), (419, 331562), (838, 165781), (2153, 64526), (2933, 47366), (4306, 32263), (4609, 30142), (5866, 23683), (9218, 15071)]