978556345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{19577}}^1$

素因数の和:20364

約数の個数: 16

約数和(自身を含む): 1266305040

約数和(自身を除く): 287748695

約数列:

[1, 5, 13, 65, 769, 3845, 9997, 19577, 49985, 97885, 254501, 1272505, 15054713, 75273565, 195711269, 978556345]

約数ペア:

[(1, 978556345), (5, 195711269), (13, 75273565), (65, 15054713), (769, 1272505), (3845, 254501), (9997, 97885), (19577, 49985)]