15999992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 32231520

約数和(自身を除く): 16231528

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 1657, 2414, 3314, 4828, 6628, 9656, 13256, 28169, 56338, 112676, 117647, 225352, 235294, 470588, 941176, 1999999, 3999998, 7999996, 15999992]

約数ペア:

[(1, 15999992), (2, 7999996), (4, 3999998), (8, 1999999), (17, 941176), (34, 470588), (68, 235294), (71, 225352), (136, 117647), (142, 112676), (284, 56338), (568, 28169), (1207, 13256), (1657, 9656), (2414, 6628), (3314, 4828)]