156904997402

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{217319941}}^1$

素因数の和:217319981

約数の個数: 12

約数和(自身を含む): 248396693706

約数和(自身を除く): 91491696304

約数列:

[1, 2, 19, 38, 361, 722, 217319941, 434639882, 4129078879, 8258157758, 78452498701, 156904997402]

約数ペア:

[(1, 156904997402), (2, 78452498701), (19, 8258157758), (38, 4129078879), (361, 434639882), (722, 217319941)]