399153146

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{157519}}^1$

素因数の和:157709

約数の個数: 16

約数和(自身を含む): 688047360

約数和(自身を除く): 288894214

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 157519, 315038, 1102633, 2205266, 28510939, 57021878, 199576573, 399153146]

約数ペア:

[(1, 399153146), (2, 199576573), (7, 57021878), (14, 28510939), (181, 2205266), (362, 1102633), (1267, 315038), (2534, 157519)]