31921554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 75718656

約数和(自身を除く): 43797102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 103, 141, 157, 206, 282, 309, 314, 329, 471, 618, 658, 721, 942, 987, 1099, 1442, 1974, 2163, 2198, 3297, 4326, 4841, 6594, 7379, 9682, 14523, 14758, 16171, 22137, 29046, 32342, 33887, 44274, 48513, 51653, 67774, 97026, 101661, 103306, 113197, 154959, 203322, 226394, 309918, 339591, 679182, 760037, 1520074, 2280111, 4560222, 5320259, 10640518, 15960777, 31921554]

約数ペア:

[(1, 31921554), (2, 15960777), (3, 10640518), (6, 5320259), (7, 4560222), (14, 2280111), (21, 1520074), (42, 760037), (47, 679182), (94, 339591), (103, 309918), (141, 226394), (157, 203322), (206, 154959), (282, 113197), (309, 103306), (314, 101661), (329, 97026), (471, 67774), (618, 51653), (658, 48513), (721, 44274), (942, 33887), (987, 32342), (1099, 29046), (1442, 22137), (1974, 16171), (2163, 14758), (2198, 14523), (3297, 9682), (4326, 7379), (4841, 6594)]