311340818

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{2879}}^1$

素因数の和:3409

約数の個数: 16

約数和(自身を含む): 471744000

約数和(自身を除く): 160403182

約数列:

[1, 2, 139, 278, 389, 778, 2879, 5758, 54071, 108142, 400181, 800362, 1119931, 2239862, 155670409, 311340818]

約数ペア:

[(1, 311340818), (2, 155670409), (139, 2239862), (278, 1119931), (389, 800362), (778, 400181), (2879, 108142), (5758, 54071)]