8220394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 16015104

約数和(自身を除く): 7794710

約数列:

[1, 2, 7, 13, 14, 26, 31, 47, 62, 91, 94, 182, 217, 329, 403, 434, 611, 658, 806, 961, 1222, 1457, 1922, 2821, 2914, 4277, 5642, 6727, 8554, 10199, 12493, 13454, 18941, 20398, 24986, 37882, 45167, 87451, 90334, 132587, 174902, 265174, 316169, 587171, 632338, 1174342, 4110197, 8220394]

約数ペア:

[(1, 8220394), (2, 4110197), (7, 1174342), (13, 632338), (14, 587171), (26, 316169), (31, 265174), (47, 174902), (62, 132587), (91, 90334), (94, 87451), (182, 45167), (217, 37882), (329, 24986), (403, 20398), (434, 18941), (611, 13454), (658, 12493), (806, 10199), (961, 8554), (1222, 6727), (1457, 5642), (1922, 4277), (2821, 2914)]