278917458

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{43003}}^1$

素因数の和:43078

約数の個数: 32

約数和(自身を含む): 594487296

約数和(自身を除く): 315569838

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 6486, 43003, 86006, 129009, 258018, 989069, 1978138, 2021141, 2967207, 4042282, 5934414, 6063423, 12126846, 46486243, 92972486, 139458729, 278917458]

約数ペア:

[(1, 278917458), (2, 139458729), (3, 92972486), (6, 46486243), (23, 12126846), (46, 6063423), (47, 5934414), (69, 4042282), (94, 2967207), (138, 2021141), (141, 1978138), (282, 989069), (1081, 258018), (2162, 129009), (3243, 86006), (6486, 43003)]