216514145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{21031}}^1$

素因数の和:21136

約数の個数: 16

約数和(自身を含む): 272574720

約数和(自身を除く): 56060575

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 21031, 105155, 609899, 1493201, 3049495, 7466005, 43302829, 216514145]

約数ペア:

[(1, 216514145), (5, 43302829), (29, 7466005), (71, 3049495), (145, 1493201), (355, 609899), (2059, 105155), (10295, 21031)]