391042078

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{13487}}^1$

素因数の和:13624

約数の個数: 32

約数和(自身を含む): 712166400

約数和(自身を除く): 321124322

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 763, 1526, 2071, 4142, 13487, 14497, 26974, 28994, 94409, 188818, 256253, 512506, 1470083, 1793771, 2940166, 3587542, 10290581, 20581162, 27931577, 55863154, 195521039, 391042078]

約数ペア:

[(1, 391042078), (2, 195521039), (7, 55863154), (14, 27931577), (19, 20581162), (38, 10290581), (109, 3587542), (133, 2940166), (218, 1793771), (266, 1470083), (763, 512506), (1526, 256253), (2071, 188818), (4142, 94409), (13487, 28994), (14497, 26974)]