258510278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 426639360

約数和(自身を除く): 168129082

約数列:

[1, 2, 13, 26, 79, 127, 158, 254, 991, 1027, 1651, 1982, 2054, 3302, 10033, 12883, 20066, 25766, 78289, 125857, 130429, 156578, 251714, 260858, 1017757, 1636141, 2035514, 3272282, 9942703, 19885406, 129255139, 258510278]

約数ペア:

[(1, 258510278), (2, 129255139), (13, 19885406), (26, 9942703), (79, 3272282), (127, 2035514), (158, 1636141), (254, 1017757), (991, 260858), (1027, 251714), (1651, 156578), (1982, 130429), (2054, 125857), (3302, 78289), (10033, 25766), (12883, 20066)]