247331368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{21911}}^1$

素因数の和:22017

約数の個数: 32

約数和(自身を含む): 496964160

約数和(自身を除く): 249632792

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 2822, 5644, 11288, 21911, 43822, 87644, 175288, 372487, 744974, 1489948, 1818613, 2979896, 3637226, 7274452, 14548904, 30916421, 61832842, 123665684, 247331368]

約数ペア:

[(1, 247331368), (2, 123665684), (4, 61832842), (8, 30916421), (17, 14548904), (34, 7274452), (68, 3637226), (83, 2979896), (136, 1818613), (166, 1489948), (332, 744974), (664, 372487), (1411, 175288), (2822, 87644), (5644, 43822), (11288, 21911)]