28037786

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 49904640

約数和(自身を除く): 21866854

約数列:

[1, 2, 7, 14, 37, 74, 113, 226, 259, 479, 518, 791, 958, 1582, 3353, 4181, 6706, 8362, 17723, 29267, 35446, 54127, 58534, 108254, 124061, 248122, 378889, 757778, 2002699, 4005398, 14018893, 28037786]

約数ペア:

[(1, 28037786), (2, 14018893), (7, 4005398), (14, 2002699), (37, 757778), (74, 378889), (113, 248122), (226, 124061), (259, 108254), (479, 58534), (518, 54127), (791, 35446), (958, 29267), (1582, 17723), (3353, 8362), (4181, 6706)]