2128889455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1\times {\mathrm{2647}}^1$

素因数の和:4759

約数の個数: 32

約数和(自身を含む): 3187768320

約数和(自身を除く): 1058878865

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 2089, 2647, 10445, 13235, 14623, 18529, 22979, 29117, 73115, 92645, 114895, 145585, 160853, 203819, 804265, 1019095, 5529583, 27647915, 38707081, 60825413, 193535405, 304127065, 425777891, 2128889455]

約数ペア:

[(1, 2128889455), (5, 425777891), (7, 304127065), (11, 193535405), (35, 60825413), (55, 38707081), (77, 27647915), (385, 5529583), (2089, 1019095), (2647, 804265), (10445, 203819), (13235, 160853), (14623, 145585), (18529, 114895), (22979, 92645), (29117, 73115)]