278246332

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 608649216

約数和(自身を除く): 330402884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 169, 182, 254, 338, 364, 463, 508, 676, 889, 926, 1183, 1651, 1778, 1852, 2366, 3241, 3302, 3556, 4732, 6019, 6482, 6604, 11557, 12038, 12964, 21463, 23114, 24076, 42133, 42926, 46228, 58801, 78247, 84266, 85852, 117602, 150241, 156494, 168532, 235204, 300482, 312988, 411607, 547729, 600964, 764413, 823214, 1095458, 1528826, 1646428, 2190916, 3057652, 5350891, 9937369, 10701782, 19874738, 21403564, 39749476, 69561583, 139123166, 278246332]

約数ペア:

[(1, 278246332), (2, 139123166), (4, 69561583), (7, 39749476), (13, 21403564), (14, 19874738), (26, 10701782), (28, 9937369), (52, 5350891), (91, 3057652), (127, 2190916), (169, 1646428), (182, 1528826), (254, 1095458), (338, 823214), (364, 764413), (463, 600964), (508, 547729), (676, 411607), (889, 312988), (926, 300482), (1183, 235204), (1651, 168532), (1778, 156494), (1852, 150241), (2366, 117602), (3241, 85852), (3302, 84266), (3556, 78247), (4732, 58801), (6019, 46228), (6482, 42926), (6604, 42133), (11557, 24076), (12038, 23114), (12964, 21463)]