28398490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 52721856

約数和(自身を除く): 24323366

約数列:

[1, 2, 5, 10, 43, 86, 211, 215, 313, 422, 430, 626, 1055, 1565, 2110, 3130, 9073, 13459, 18146, 26918, 45365, 66043, 67295, 90730, 132086, 134590, 330215, 660430, 2839849, 5679698, 14199245, 28398490]

約数ペア:

[(1, 28398490), (2, 14199245), (5, 5679698), (10, 2839849), (43, 660430), (86, 330215), (211, 134590), (215, 132086), (313, 90730), (422, 67295), (430, 66043), (626, 45365), (1055, 26918), (1565, 18146), (2110, 13459), (3130, 9073)]