12721072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8737}}^1$

素因数の和:8765

約数の個数: 40

約数和(自身を含む): 30338336

約数和(自身を除く): 17617264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 8737, 17474, 34948, 61159, 69896, 113581, 122318, 139792, 227162, 244636, 454324, 489272, 795067, 908648, 978544, 1590134, 1817296, 3180268, 6360536, 12721072]

約数ペア:

[(1, 12721072), (2, 6360536), (4, 3180268), (7, 1817296), (8, 1590134), (13, 978544), (14, 908648), (16, 795067), (26, 489272), (28, 454324), (52, 244636), (56, 227162), (91, 139792), (104, 122318), (112, 113581), (182, 69896), (208, 61159), (364, 34948), (728, 17474), (1456, 8737)]