87211555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 112803840

約数和(自身を除く): 25592285

約数列:

[1, 5, 29, 47, 67, 145, 191, 235, 335, 955, 1363, 1943, 3149, 5539, 6815, 8977, 9715, 12797, 15745, 27695, 44885, 63985, 91321, 260333, 371113, 456605, 601459, 1301665, 1855565, 3007295, 17442311, 87211555]

約数ペア:

[(1, 87211555), (5, 17442311), (29, 3007295), (47, 1855565), (67, 1301665), (145, 601459), (191, 456605), (235, 371113), (335, 260333), (955, 91321), (1363, 63985), (1943, 44885), (3149, 27695), (5539, 15745), (6815, 12797), (8977, 9715)]