31180912

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 69440000

約数和(自身を除く): 38259088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1399, 1592, 2786, 2798, 3184, 5572, 5596, 9793, 11144, 11192, 19586, 22288, 22384, 39172, 78344, 156688, 278401, 556802, 1113604, 1948807, 2227208, 3897614, 4454416, 7795228, 15590456, 31180912]

約数ペア:

[(1, 31180912), (2, 15590456), (4, 7795228), (7, 4454416), (8, 3897614), (14, 2227208), (16, 1948807), (28, 1113604), (56, 556802), (112, 278401), (199, 156688), (398, 78344), (796, 39172), (1393, 22384), (1399, 22288), (1592, 19586), (2786, 11192), (2798, 11144), (3184, 9793), (5572, 5596)]