891156

素因数分解:

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

素因数の和:220

約数の個数: 36

約数和(自身を含む): 2399712

約数和(自身を除く): 1508556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2884, 4326, 8652, 10609, 21218, 31827, 42436, 63654, 74263, 127308, 148526, 222789, 297052, 445578, 891156]

約数ペア:

[(1, 891156), (2, 445578), (3, 297052), (4, 222789), (6, 148526), (7, 127308), (12, 74263), (14, 63654), (21, 42436), (28, 31827), (42, 21218), (84, 10609), (103, 8652), (206, 4326), (309, 2884), (412, 2163), (618, 1442), (721, 1236)]