28305478504

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{823}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 54133833600

約数和(自身を除く): 25828355096

約数列:

[1, 2, 4, 8, 139, 157, 197, 278, 314, 394, 556, 628, 788, 823, 1112, 1256, 1576, 1646, 3292, 6584, 21823, 27383, 30929, 43646, 54766, 61858, 87292, 109532, 114397, 123716, 129211, 162131, 174584, 219064, 228794, 247432, 258422, 324262, 457588, 516844, 648524, 915176, 1033688, 1297048, 4299131, 8598262, 17196524, 17960329, 22536209, 25454567, 34393048, 35920658, 45072418, 50909134, 71841316, 90144836, 101818268, 143682632, 180289672, 203636536, 3538184813, 7076369626, 14152739252, 28305478504]

約数ペア:

[(1, 28305478504), (2, 14152739252), (4, 7076369626), (8, 3538184813), (139, 203636536), (157, 180289672), (197, 143682632), (278, 101818268), (314, 90144836), (394, 71841316), (556, 50909134), (628, 45072418), (788, 35920658), (823, 34393048), (1112, 25454567), (1256, 22536209), (1576, 17960329), (1646, 17196524), (3292, 8598262), (6584, 4299131), (21823, 1297048), (27383, 1033688), (30929, 915176), (43646, 648524), (54766, 516844), (61858, 457588), (87292, 324262), (109532, 258422), (114397, 247432), (123716, 228794), (129211, 219064), (162131, 174584)]