2842438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:723

約数の個数: 16

約数和(自身を含む): 4530240

約数和(自身を除く): 1687802

約数列:

[1, 2, 19, 38, 131, 262, 571, 1142, 2489, 4978, 10849, 21698, 74801, 149602, 1421219, 2842438]

約数ペア:

[(1, 2842438), (2, 1421219), (19, 149602), (38, 74801), (131, 21698), (262, 10849), (571, 4978), (1142, 2489)]