12990302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 22063104

約数和(自身を除く): 9072802

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 227, 403, 454, 806, 923, 1846, 2201, 2951, 4402, 5902, 7037, 14074, 16117, 28613, 32234, 57226, 91481, 182962, 209521, 419042, 499627, 999254, 6495151, 12990302]

約数ペア:

[(1, 12990302), (2, 6495151), (13, 999254), (26, 499627), (31, 419042), (62, 209521), (71, 182962), (142, 91481), (227, 57226), (403, 32234), (454, 28613), (806, 16117), (923, 14074), (1846, 7037), (2201, 5902), (2951, 4402)]