128534105

素因数分解:

$5^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 181440000

約数和(自身を除く): 52905895

約数列:

[1, 5, 7, 35, 49, 149, 245, 343, 503, 745, 1043, 1715, 2515, 3521, 5215, 7301, 17605, 24647, 36505, 51107, 74947, 123235, 172529, 255535, 374735, 524629, 862645, 2623145, 3672403, 18362015, 25706821, 128534105]

約数ペア:

[(1, 128534105), (5, 25706821), (7, 18362015), (35, 3672403), (49, 2623145), (149, 862645), (245, 524629), (343, 374735), (503, 255535), (745, 172529), (1043, 123235), (1715, 74947), (2515, 51107), (3521, 36505), (5215, 24647), (7301, 17605)]