2161122462

素因数分解:

$2^1\times 3^2\times {\mathrm{373}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 4712444880

約数和(自身を除く): 2551322418

約数列:

[1, 2, 3, 6, 9, 18, 373, 409, 746, 787, 818, 1119, 1227, 1574, 2238, 2361, 2454, 3357, 3681, 4722, 6714, 7083, 7362, 14166, 152557, 293551, 305114, 321883, 457671, 587102, 643766, 880653, 915342, 965649, 1373013, 1761306, 1931298, 2641959, 2746026, 2896947, 5283918, 5793894, 120062359, 240124718, 360187077, 720374154, 1080561231, 2161122462]

約数ペア:

[(1, 2161122462), (2, 1080561231), (3, 720374154), (6, 360187077), (9, 240124718), (18, 120062359), (373, 5793894), (409, 5283918), (746, 2896947), (787, 2746026), (818, 2641959), (1119, 1931298), (1227, 1761306), (1574, 1373013), (2238, 965649), (2361, 915342), (2454, 880653), (3357, 643766), (3681, 587102), (4722, 457671), (6714, 321883), (7083, 305114), (7362, 293551), (14166, 152557)]