201516854731

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1\times {\mathrm{4139}}^1$

素因数の和:4951

約数の個数: 32

約数和(自身を含む): 221040230400

約数和(自身を除く): 19523375669

約数列:

[1, 19, 31, 131, 589, 631, 2489, 4061, 4139, 11989, 19561, 77159, 78641, 82661, 128309, 371659, 542209, 1570559, 2437871, 2562491, 2611709, 10301971, 16808479, 48687329, 49622471, 80962979, 319361101, 342133879, 1538296601, 6500543701, 10606150249, 201516854731]

約数ペア:

[(1, 201516854731), (19, 10606150249), (31, 6500543701), (131, 1538296601), (589, 342133879), (631, 319361101), (2489, 80962979), (4061, 49622471), (4139, 48687329), (11989, 16808479), (19561, 10301971), (77159, 2611709), (78641, 2562491), (82661, 2437871), (128309, 1570559), (371659, 542209)]