81568688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3499}}^1$

素因数の和:3585

約数の個数: 40

約数和(自身を含む): 166656000

約数和(自身を除く): 85087312

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 752, 1457, 2914, 3499, 5828, 6998, 11656, 13996, 23312, 27992, 55984, 108469, 164453, 216938, 328906, 433876, 657812, 867752, 1315624, 1735504, 2631248, 5098043, 10196086, 20392172, 40784344, 81568688]

約数ペア:

[(1, 81568688), (2, 40784344), (4, 20392172), (8, 10196086), (16, 5098043), (31, 2631248), (47, 1735504), (62, 1315624), (94, 867752), (124, 657812), (188, 433876), (248, 328906), (376, 216938), (496, 164453), (752, 108469), (1457, 55984), (2914, 27992), (3499, 23312), (5828, 13996), (6998, 11656)]