212528390975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{709433}}^1$

素因数の和:709987

約数の個数: 24

約数和(自身を含む): 275521463712

約数和(自身を除く): 62993072737

約数列:

[1, 5, 23, 25, 115, 521, 575, 2605, 11983, 13025, 59915, 299575, 709433, 3547165, 16316959, 17735825, 81584795, 369614593, 407923975, 1848072965, 8501135639, 9240364825, 42505678195, 212528390975]

約数ペア:

[(1, 212528390975), (5, 42505678195), (23, 9240364825), (25, 8501135639), (115, 1848072965), (521, 407923975), (575, 369614593), (2605, 81584795), (11983, 17735825), (13025, 16316959), (59915, 3547165), (299575, 709433)]