81620968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71347}}^1$

素因数の和:71377

約数の個数: 32

約数和(自身を含む): 179796960

約数和(自身を除く): 98175992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 71347, 142694, 285388, 570776, 784817, 927511, 1569634, 1855022, 3139268, 3710044, 6278536, 7420088, 10202621, 20405242, 40810484, 81620968]

約数ペア:

[(1, 81620968), (2, 40810484), (4, 20405242), (8, 10202621), (11, 7420088), (13, 6278536), (22, 3710044), (26, 3139268), (44, 1855022), (52, 1569634), (88, 927511), (104, 784817), (143, 570776), (286, 285388), (572, 142694), (1144, 71347)]