1286216965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 1706209920

約数和(自身を除く): 419992955

約数列:

[1, 5, 11, 55, 137, 211, 685, 809, 1055, 1507, 2321, 4045, 7535, 8899, 11605, 28907, 44495, 110833, 144535, 170699, 317977, 554165, 853495, 1219163, 1589885, 1877689, 6095815, 9388445, 23385763, 116928815, 257243393, 1286216965]

約数ペア:

[(1, 1286216965), (5, 257243393), (11, 116928815), (55, 23385763), (137, 9388445), (211, 6095815), (685, 1877689), (809, 1589885), (1055, 1219163), (1507, 853495), (2321, 554165), (4045, 317977), (7535, 170699), (8899, 144535), (11605, 110833), (28907, 44495)]