219986144

素因数分解:

$2^5\times 7^1\times {\mathrm{991}}^2$

素因数の和:1999

約数の個数: 36

約数和(自身を含む): 495468792

約数和(自身を除く): 275482648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 991, 1982, 3964, 6937, 7928, 13874, 15856, 27748, 31712, 55496, 110992, 221984, 982081, 1964162, 3928324, 6874567, 7856648, 13749134, 15713296, 27498268, 31426592, 54996536, 109993072, 219986144]

約数ペア:

[(1, 219986144), (2, 109993072), (4, 54996536), (7, 31426592), (8, 27498268), (14, 15713296), (16, 13749134), (28, 7856648), (32, 6874567), (56, 3928324), (112, 1964162), (224, 982081), (991, 221984), (1982, 110992), (3964, 55496), (6937, 31712), (7928, 27748), (13874, 15856)]