31471790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23663}}^1$

素因数の和:23696

約数の個数: 32

約数和(自身を含む): 68152320

約数和(自身を除く): 36680530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 23663, 47326, 118315, 165641, 236630, 331282, 449597, 828205, 899194, 1656410, 2247985, 3147179, 4495970, 6294358, 15735895, 31471790]

約数ペア:

[(1, 31471790), (2, 15735895), (5, 6294358), (7, 4495970), (10, 3147179), (14, 2247985), (19, 1656410), (35, 899194), (38, 828205), (70, 449597), (95, 331282), (133, 236630), (190, 165641), (266, 118315), (665, 47326), (1330, 23663)]