9920428496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{200591}}^1$

素因数の和:200891

約数の個数: 40

約数和(自身を含む): 21042903168

約数和(自身を除く): 11122474672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 281, 562, 1124, 2248, 3091, 4496, 6182, 12364, 24728, 49456, 200591, 401182, 802364, 1604728, 2206501, 3209456, 4413002, 8826004, 17652008, 35304016, 56366071, 112732142, 225464284, 450928568, 620026781, 901857136, 1240053562, 2480107124, 4960214248, 9920428496]

約数ペア:

[(1, 9920428496), (2, 4960214248), (4, 2480107124), (8, 1240053562), (11, 901857136), (16, 620026781), (22, 450928568), (44, 225464284), (88, 112732142), (176, 56366071), (281, 35304016), (562, 17652008), (1124, 8826004), (2248, 4413002), (3091, 3209456), (4496, 2206501), (6182, 1604728), (12364, 802364), (24728, 401182), (49456, 200591)]