28561572

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6810

約数の個数: 60

約数和(自身を含む): 80420956

約数和(自身を除く): 51859384

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 6781, 13562, 20343, 27124, 40686, 61029, 81372, 88153, 122058, 176306, 183087, 244116, 264459, 352612, 366174, 528918, 549261, 732348, 793377, 1057836, 1098522, 1586754, 2197044, 2380131, 3173508, 4760262, 7140393, 9520524, 14280786, 28561572]

約数ペア:

[(1, 28561572), (2, 14280786), (3, 9520524), (4, 7140393), (6, 4760262), (9, 3173508), (12, 2380131), (13, 2197044), (18, 1586754), (26, 1098522), (27, 1057836), (36, 793377), (39, 732348), (52, 549261), (54, 528918), (78, 366174), (81, 352612), (108, 264459), (117, 244116), (156, 183087), (162, 176306), (234, 122058), (324, 88153), (351, 81372), (468, 61029), (702, 40686), (1053, 27124), (1404, 20343), (2106, 13562), (4212, 6781)]