128740865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 178416000

約数和(自身を除く): 49675135

約数列:

[1, 5, 11, 19, 55, 95, 209, 349, 353, 1045, 1745, 1765, 3839, 3883, 6631, 6707, 19195, 19415, 33155, 33535, 72941, 73777, 123197, 364705, 368885, 615985, 1355167, 2340743, 6775835, 11703715, 25748173, 128740865]

約数ペア:

[(1, 128740865), (5, 25748173), (11, 11703715), (19, 6775835), (55, 2340743), (95, 1355167), (209, 615985), (349, 368885), (353, 364705), (1045, 123197), (1745, 73777), (1765, 72941), (3839, 33535), (3883, 33155), (6631, 19415), (6707, 19195)]