15979288

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 33203520

約数和(自身を除く): 17224232

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 169, 212, 223, 338, 424, 446, 676, 689, 892, 1352, 1378, 1784, 2756, 2899, 5512, 5798, 8957, 11596, 11819, 17914, 23192, 23638, 35828, 37687, 47276, 71656, 75374, 94552, 150748, 153647, 301496, 307294, 614588, 1229176, 1997411, 3994822, 7989644, 15979288]

約数ペア:

[(1, 15979288), (2, 7989644), (4, 3994822), (8, 1997411), (13, 1229176), (26, 614588), (52, 307294), (53, 301496), (104, 153647), (106, 150748), (169, 94552), (212, 75374), (223, 71656), (338, 47276), (424, 37687), (446, 35828), (676, 23638), (689, 23192), (892, 17914), (1352, 11819), (1378, 11596), (1784, 8957), (2756, 5798), (2899, 5512)]