278345758

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{7001}}^1$

素因数の和:7299

約数の個数: 16

約数和(自身を含む): 423817056

約数和(自身を除く): 145471298

約数列:

[1, 2, 103, 193, 206, 386, 7001, 14002, 19879, 39758, 721103, 1351193, 1442206, 2702386, 139172879, 278345758]

約数ペア:

[(1, 278345758), (2, 139172879), (103, 2702386), (193, 1442206), (206, 1351193), (386, 721103), (7001, 39758), (14002, 19879)]