13215587

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2909}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 16761600

約数和(自身を除く): 3546013

約数列:

[1, 7, 11, 59, 77, 413, 649, 2909, 4543, 20363, 31999, 171631, 223993, 1201417, 1887941, 13215587]

約数ペア:

[(1, 13215587), (7, 1887941), (11, 1201417), (59, 223993), (77, 171631), (413, 31999), (649, 20363), (2909, 4543)]