199965956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 387609600

約数和(自身を除く): 187643644

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 139, 278, 437, 556, 823, 874, 1646, 1748, 2641, 3197, 3292, 5282, 6394, 10564, 12788, 15637, 18929, 31274, 37858, 60743, 62548, 75716, 114397, 121486, 228794, 242972, 359651, 457588, 719302, 1438604, 2173543, 2631131, 4347086, 5262262, 8694172, 10524524, 49991489, 99982978, 199965956]

約数ペア:

[(1, 199965956), (2, 99982978), (4, 49991489), (19, 10524524), (23, 8694172), (38, 5262262), (46, 4347086), (76, 2631131), (92, 2173543), (139, 1438604), (278, 719302), (437, 457588), (556, 359651), (823, 242972), (874, 228794), (1646, 121486), (1748, 114397), (2641, 75716), (3197, 62548), (3292, 60743), (5282, 37858), (6394, 31274), (10564, 18929), (12788, 15637)]