2018902564

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{1787}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 4081617792

約数和(自身を除く): 2062715228

約数列:

[1, 2, 4, 7, 14, 28, 157, 257, 314, 514, 628, 1028, 1099, 1787, 1799, 2198, 3574, 3598, 4396, 7148, 7196, 12509, 25018, 40349, 50036, 80698, 161396, 280559, 282443, 459259, 561118, 564886, 918518, 1122236, 1129772, 1837036, 1963913, 3214813, 3927826, 6429626, 7855652, 12859252, 72103663, 144207326, 288414652, 504725641, 1009451282, 2018902564]

約数ペア:

[(1, 2018902564), (2, 1009451282), (4, 504725641), (7, 288414652), (14, 144207326), (28, 72103663), (157, 12859252), (257, 7855652), (314, 6429626), (514, 3927826), (628, 3214813), (1028, 1963913), (1099, 1837036), (1787, 1129772), (1799, 1122236), (2198, 918518), (3574, 564886), (3598, 561118), (4396, 459259), (7148, 282443), (7196, 280559), (12509, 161396), (25018, 80698), (40349, 50036)]