1680851816

素因数分解:

$2^3\times 7^1\times {\mathrm{1579}}^1\times {\mathrm{19009}}^1$

素因数の和:20601

約数の個数: 32

約数和(自身を含む): 3604296000

約数和(自身を除く): 1923444184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1579, 3158, 6316, 11053, 12632, 19009, 22106, 38018, 44212, 76036, 88424, 133063, 152072, 266126, 532252, 1064504, 30015211, 60030422, 120060844, 210106477, 240121688, 420212954, 840425908, 1680851816]

約数ペア:

[(1, 1680851816), (2, 840425908), (4, 420212954), (7, 240121688), (8, 210106477), (14, 120060844), (28, 60030422), (56, 30015211), (1579, 1064504), (3158, 532252), (6316, 266126), (11053, 152072), (12632, 133063), (19009, 88424), (22106, 76036), (38018, 44212)]