12889552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 27776000

約数和(自身を除く): 14886448

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 1999, 3224, 3998, 6448, 7996, 15992, 25987, 31984, 51974, 61969, 103948, 123938, 207896, 247876, 415792, 495752, 805597, 991504, 1611194, 3222388, 6444776, 12889552]

約数ペア:

[(1, 12889552), (2, 6444776), (4, 3222388), (8, 1611194), (13, 991504), (16, 805597), (26, 495752), (31, 415792), (52, 247876), (62, 207896), (104, 123938), (124, 103948), (208, 61969), (248, 51974), (403, 31984), (496, 25987), (806, 15992), (1612, 7996), (1999, 6448), (3224, 3998)]