80268412

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{42787}}^1$

素因数の和:42865

約数の個数: 24

約数和(自身を含む): 162936704

約数和(自身を除く): 82668292

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 42787, 85574, 171148, 299509, 599018, 1198036, 2866729, 5733458, 11466916, 20067103, 40134206, 80268412]

約数ペア:

[(1, 80268412), (2, 40134206), (4, 20067103), (7, 11466916), (14, 5733458), (28, 2866729), (67, 1198036), (134, 599018), (268, 299509), (469, 171148), (938, 85574), (1876, 42787)]