8219428

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{787}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 16503872

約数和(自身を除く): 8284444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 787, 1492, 1574, 2611, 3148, 5222, 5509, 10444, 11018, 22036, 293551, 587102, 1174204, 2054857, 4109714, 8219428]

約数ペア:

[(1, 8219428), (2, 4109714), (4, 2054857), (7, 1174204), (14, 587102), (28, 293551), (373, 22036), (746, 11018), (787, 10444), (1492, 5509), (1574, 5222), (2611, 3148)]