12885428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 23671872

約数和(自身を除く): 10786444

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 617, 908, 1234, 2468, 5221, 10442, 14191, 20884, 28382, 56764, 140059, 280118, 560236, 3221357, 6442714, 12885428]

約数ペア:

[(1, 12885428), (2, 6442714), (4, 3221357), (23, 560236), (46, 280118), (92, 140059), (227, 56764), (454, 28382), (617, 20884), (908, 14191), (1234, 10442), (2468, 5221)]