399942718

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{15107}}^1$

素因数の和:15208

約数の個数: 32

約数和(自身を含む): 719382528

約数和(自身を除く): 319439810

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 854, 1891, 3782, 13237, 15107, 26474, 30214, 105749, 211498, 468317, 921527, 936634, 1843054, 3278219, 6450689, 6556438, 12901378, 28567337, 57134674, 199971359, 399942718]

約数ペア:

[(1, 399942718), (2, 199971359), (7, 57134674), (14, 28567337), (31, 12901378), (61, 6556438), (62, 6450689), (122, 3278219), (217, 1843054), (427, 936634), (434, 921527), (854, 468317), (1891, 211498), (3782, 105749), (13237, 30214), (15107, 26474)]