12857312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 28167552

約数和(自身を除く): 15310240

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 997, 1612, 1994, 3224, 3988, 6448, 7976, 12896, 12961, 15952, 25922, 30907, 31904, 51844, 61814, 103688, 123628, 207376, 247256, 401791, 414752, 494512, 803582, 989024, 1607164, 3214328, 6428656, 12857312]

約数ペア:

[(1, 12857312), (2, 6428656), (4, 3214328), (8, 1607164), (13, 989024), (16, 803582), (26, 494512), (31, 414752), (32, 401791), (52, 247256), (62, 207376), (104, 123628), (124, 103688), (208, 61814), (248, 51844), (403, 31904), (416, 30907), (496, 25922), (806, 15952), (992, 12961), (997, 12896), (1612, 7976), (1994, 6448), (3224, 3988)]