886840565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{20641}}^1$

素因数の和:21320

約数の個数: 16

約数和(自身を含む): 1147860336

約数和(自身を除く): 261019771

約数列:

[1, 5, 13, 65, 661, 3305, 8593, 20641, 42965, 103205, 268333, 1341665, 13643701, 68218505, 177368113, 886840565]

約数ペア:

[(1, 886840565), (5, 177368113), (13, 68218505), (65, 13643701), (661, 1341665), (3305, 268333), (8593, 103205), (20641, 42965)]