28785778

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 51568128

約数和(自身を除く): 22782350

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 854, 911, 1822, 2257, 4514, 6377, 12754, 15799, 31598, 33707, 55571, 67414, 111142, 235949, 388997, 471898, 777994, 2056127, 4112254, 14392889, 28785778]

約数ペア:

[(1, 28785778), (2, 14392889), (7, 4112254), (14, 2056127), (37, 777994), (61, 471898), (74, 388997), (122, 235949), (259, 111142), (427, 67414), (518, 55571), (854, 33707), (911, 31598), (1822, 15799), (2257, 12754), (4514, 6377)]