81489584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3331}}^1$

素因数の和:3489

約数の個数: 40

約数和(自身を含む): 173530560

約数和(自身を除く): 92040976

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1529, 2224, 3058, 3331, 6116, 6662, 12232, 13324, 24464, 26648, 36641, 53296, 73282, 146564, 293128, 463009, 586256, 926018, 1852036, 3704072, 5093099, 7408144, 10186198, 20372396, 40744792, 81489584]

約数ペア:

[(1, 81489584), (2, 40744792), (4, 20372396), (8, 10186198), (11, 7408144), (16, 5093099), (22, 3704072), (44, 1852036), (88, 926018), (139, 586256), (176, 463009), (278, 293128), (556, 146564), (1112, 73282), (1529, 53296), (2224, 36641), (3058, 26648), (3331, 24464), (6116, 13324), (6662, 12232)]