123961994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 223534080

約数和(自身を除く): 99572086

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 83, 109, 166, 218, 221, 403, 442, 527, 806, 1054, 1079, 1411, 1417, 1853, 2158, 2573, 2822, 2834, 3379, 3706, 5146, 6758, 6851, 9047, 13702, 18094, 18343, 24089, 33449, 36686, 43741, 43927, 48178, 57443, 66898, 87482, 87854, 114886, 117611, 153799, 235222, 280457, 307598, 560914, 568633, 746759, 1137266, 1493518, 1999387, 3645941, 3998774, 4767769, 7291882, 9535538, 61980997, 123961994]

約数ペア:

[(1, 123961994), (2, 61980997), (13, 9535538), (17, 7291882), (26, 4767769), (31, 3998774), (34, 3645941), (62, 1999387), (83, 1493518), (109, 1137266), (166, 746759), (218, 568633), (221, 560914), (403, 307598), (442, 280457), (527, 235222), (806, 153799), (1054, 117611), (1079, 114886), (1411, 87854), (1417, 87482), (1853, 66898), (2158, 57443), (2573, 48178), (2822, 43927), (2834, 43741), (3379, 36686), (3706, 33449), (5146, 24089), (6758, 18343), (6851, 18094), (9047, 13702)]