8425690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 19160064

約数和(自身を除く): 10734374

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 197, 235, 329, 394, 455, 470, 611, 658, 910, 985, 1222, 1379, 1645, 1970, 2561, 2758, 3055, 3290, 4277, 5122, 6110, 6895, 8554, 9259, 12805, 13790, 17927, 18518, 21385, 25610, 35854, 42770, 46295, 64813, 89635, 92590, 120367, 129626, 179270, 240734, 324065, 601835, 648130, 842569, 1203670, 1685138, 4212845, 8425690]

約数ペア:

[(1, 8425690), (2, 4212845), (5, 1685138), (7, 1203670), (10, 842569), (13, 648130), (14, 601835), (26, 324065), (35, 240734), (47, 179270), (65, 129626), (70, 120367), (91, 92590), (94, 89635), (130, 64813), (182, 46295), (197, 42770), (235, 35854), (329, 25610), (394, 21385), (455, 18518), (470, 17927), (611, 13790), (658, 12805), (910, 9259), (985, 8554), (1222, 6895), (1379, 6110), (1645, 5122), (1970, 4277), (2561, 3290), (2758, 3055)]