42840278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20857}}^1$

素因数の和:20951

約数の個数: 16

約数和(自身を含む): 70082880

約数和(自身を除く): 27242602

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 20857, 41714, 271141, 542282, 1647703, 3295406, 21420139, 42840278]

約数ペア:

[(1, 42840278), (2, 21420139), (13, 3295406), (26, 1647703), (79, 542282), (158, 271141), (1027, 41714), (2054, 20857)]