81367312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12619}}^1$

素因数の和:12671

約数の個数: 40

約数和(自身を含む): 175266560

約数和(自身を除く): 93899248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 12619, 25238, 50476, 100952, 164047, 201904, 328094, 391189, 656188, 782378, 1312376, 1564756, 2624752, 3129512, 5085457, 6259024, 10170914, 20341828, 40683656, 81367312]

約数ペア:

[(1, 81367312), (2, 40683656), (4, 20341828), (8, 10170914), (13, 6259024), (16, 5085457), (26, 3129512), (31, 2624752), (52, 1564756), (62, 1312376), (104, 782378), (124, 656188), (208, 391189), (248, 328094), (403, 201904), (496, 164047), (806, 100952), (1612, 50476), (3224, 25238), (6448, 12619)]