25280398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 45773280

約数和(自身を除く): 20492882

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 2389, 4778, 5291, 10582, 26279, 31057, 52558, 62114, 88393, 176786, 341627, 683254, 972323, 1149109, 1944646, 2298218, 12640199, 25280398]

約数ペア:

[(1, 25280398), (2, 12640199), (11, 2298218), (13, 1944646), (22, 1149109), (26, 972323), (37, 683254), (74, 341627), (143, 176786), (286, 88393), (407, 62114), (481, 52558), (814, 31057), (962, 26279), (2389, 10582), (4778, 5291)]