278325554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1553}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 461314224

約数和(自身を除く): 182988670

約数列:

[1, 2, 13, 26, 61, 113, 122, 226, 793, 1469, 1553, 1586, 2938, 3106, 6893, 13786, 20189, 40378, 89609, 94733, 175489, 179218, 189466, 350978, 1231529, 2281357, 2463058, 4562714, 10704829, 21409658, 139162777, 278325554]

約数ペア:

[(1, 278325554), (2, 139162777), (13, 21409658), (26, 10704829), (61, 4562714), (113, 2463058), (122, 2281357), (226, 1231529), (793, 350978), (1469, 189466), (1553, 179218), (1586, 175489), (2938, 94733), (3106, 89609), (6893, 40378), (13786, 20189)]