8166438

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 21127392

約数和(自身を除く): 12960954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 98, 126, 141, 147, 197, 282, 294, 329, 394, 423, 441, 591, 658, 846, 882, 987, 1182, 1379, 1773, 1974, 2303, 2758, 2961, 3546, 4137, 4606, 5922, 6909, 8274, 9259, 9653, 12411, 13818, 18518, 19306, 20727, 24822, 27777, 28959, 41454, 55554, 57918, 64813, 83331, 86877, 129626, 166662, 173754, 194439, 388878, 453691, 583317, 907382, 1166634, 1361073, 2722146, 4083219, 8166438]

約数ペア:

[(1, 8166438), (2, 4083219), (3, 2722146), (6, 1361073), (7, 1166634), (9, 907382), (14, 583317), (18, 453691), (21, 388878), (42, 194439), (47, 173754), (49, 166662), (63, 129626), (94, 86877), (98, 83331), (126, 64813), (141, 57918), (147, 55554), (197, 41454), (282, 28959), (294, 27777), (329, 24822), (394, 20727), (423, 19306), (441, 18518), (591, 13818), (658, 12411), (846, 9653), (882, 9259), (987, 8274), (1182, 6909), (1379, 5922), (1773, 4606), (1974, 4137), (2303, 3546), (2758, 2961)]