81767824

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{577}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 168357528

約数和(自身を除く): 86589704

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 521, 577, 1042, 1154, 2084, 2308, 4168, 4616, 8336, 8857, 9232, 9809, 17714, 19618, 35428, 39236, 70856, 78472, 141712, 156944, 300617, 601234, 1202468, 2404936, 4809872, 5110489, 10220978, 20441956, 40883912, 81767824]

約数ペア:

[(1, 81767824), (2, 40883912), (4, 20441956), (8, 10220978), (16, 5110489), (17, 4809872), (34, 2404936), (68, 1202468), (136, 601234), (272, 300617), (521, 156944), (577, 141712), (1042, 78472), (1154, 70856), (2084, 39236), (2308, 35428), (4168, 19618), (4616, 17714), (8336, 9809), (8857, 9232)]