28758328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 56603520

約数和(自身を除く): 27845192

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 1901, 3782, 3802, 7564, 7604, 15128, 15208, 58931, 115961, 117862, 231922, 235724, 463844, 471448, 927688, 3594791, 7189582, 14379164, 28758328]

約数ペア:

[(1, 28758328), (2, 14379164), (4, 7189582), (8, 3594791), (31, 927688), (61, 471448), (62, 463844), (122, 235724), (124, 231922), (244, 117862), (248, 115961), (488, 58931), (1891, 15208), (1901, 15128), (3782, 7604), (3802, 7564)]