1329388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 2439360

約数和(自身を除く): 1109972

約数列:

[1, 2, 4, 43, 59, 86, 118, 131, 172, 236, 262, 524, 2537, 5074, 5633, 7729, 10148, 11266, 15458, 22532, 30916, 332347, 664694, 1329388]

約数ペア:

[(1, 1329388), (2, 664694), (4, 332347), (43, 30916), (59, 22532), (86, 15458), (118, 11266), (131, 10148), (172, 7729), (236, 5633), (262, 5074), (524, 2537)]