319291238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{13487}}^1$

素因数の和:13604

約数の個数: 32

約数和(自身を含む): 582681600

約数和(自身を除く): 263390362

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 1246, 1691, 3382, 11837, 13487, 23674, 26974, 94409, 188818, 256253, 512506, 1200343, 1793771, 2400686, 3587542, 8402401, 16804802, 22806517, 45613034, 159645619, 319291238]

約数ペア:

[(1, 319291238), (2, 159645619), (7, 45613034), (14, 22806517), (19, 16804802), (38, 8402401), (89, 3587542), (133, 2400686), (178, 1793771), (266, 1200343), (623, 512506), (1246, 256253), (1691, 188818), (3382, 94409), (11837, 26974), (13487, 23674)]