15987916

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 33510400

約数和(自身を除く): 17522484

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 271, 301, 343, 542, 602, 686, 1084, 1204, 1372, 1897, 2107, 3794, 4214, 7588, 8428, 11653, 13279, 14749, 23306, 26558, 29498, 46612, 53116, 58996, 81571, 92953, 163142, 185906, 326284, 371812, 570997, 1141994, 2283988, 3996979, 7993958, 15987916]

約数ペア:

[(1, 15987916), (2, 7993958), (4, 3996979), (7, 2283988), (14, 1141994), (28, 570997), (43, 371812), (49, 326284), (86, 185906), (98, 163142), (172, 92953), (196, 81571), (271, 58996), (301, 53116), (343, 46612), (542, 29498), (602, 26558), (686, 23306), (1084, 14749), (1204, 13279), (1372, 11653), (1897, 8428), (2107, 7588), (3794, 4214)]