12912138715

素因数分解:

$5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{220513}}^1$

素因数の和:220771

約数の個数: 24

約数和(自身を含む): 18099789120

約数和(自身を除く): 5187650405

約数列:

[1, 5, 7, 35, 49, 239, 245, 1195, 1673, 8365, 11711, 58555, 220513, 1102565, 1543591, 7717955, 10805137, 52702607, 54025685, 263513035, 368918249, 1844591245, 2582427743, 12912138715]

約数ペア:

[(1, 12912138715), (5, 2582427743), (7, 1844591245), (35, 368918249), (49, 263513035), (239, 54025685), (245, 52702607), (1195, 10805137), (1673, 7717955), (8365, 1543591), (11711, 1102565), (58555, 220513)]