128992916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{9883}}^1$

素因数の和:10151

約数の個数: 24

約数和(自身を含む): 244095264

約数和(自身を除く): 115102348

約数列:

[1, 2, 4, 13, 26, 52, 251, 502, 1004, 3263, 6526, 9883, 13052, 19766, 39532, 128479, 256958, 513916, 2480633, 4961266, 9922532, 32248229, 64496458, 128992916]

約数ペア:

[(1, 128992916), (2, 64496458), (4, 32248229), (13, 9922532), (26, 4961266), (52, 2480633), (251, 513916), (502, 256958), (1004, 128479), (3263, 39532), (6526, 19766), (9883, 13052)]