213601915

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1\times {\mathrm{1721}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 260035776

約数和(自身を除く): 46433861

約数列:

[1, 5, 103, 241, 515, 1205, 1721, 8605, 24823, 124115, 177263, 414761, 886315, 2073805, 42720383, 213601915]

約数ペア:

[(1, 213601915), (5, 42720383), (103, 2073805), (241, 886315), (515, 414761), (1205, 177263), (1721, 124115), (8605, 24823)]