628304872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{12107}}^1$

素因数の和:12625

約数の個数: 32

約数和(自身を含む): 1271340000

約数和(自身を除く): 643035128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 998, 1996, 3992, 6487, 12107, 12974, 24214, 25948, 48428, 51896, 96856, 157391, 314782, 629564, 1259128, 6041393, 12082786, 24165572, 48331144, 78538109, 157076218, 314152436, 628304872]

約数ペア:

[(1, 628304872), (2, 314152436), (4, 157076218), (8, 78538109), (13, 48331144), (26, 24165572), (52, 12082786), (104, 6041393), (499, 1259128), (998, 629564), (1996, 314782), (3992, 157391), (6487, 96856), (12107, 51896), (12974, 48428), (24214, 25948)]