51987172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 93447200

約数和(自身を除く): 41460028

約数列:

[1, 2, 4, 43, 86, 172, 409, 739, 818, 1478, 1636, 2956, 17587, 31777, 35174, 63554, 70348, 127108, 302251, 604502, 1209004, 12996793, 25993586, 51987172]

約数ペア:

[(1, 51987172), (2, 25993586), (4, 12996793), (43, 1209004), (86, 604502), (172, 302251), (409, 127108), (739, 70348), (818, 63554), (1478, 35174), (1636, 31777), (2956, 17587)]