81117824

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{20443}}^1$

素因数の和:20488

約数の個数: 32

約数和(自身を含む): 166823040

約数和(自身を除く): 85705216

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20443, 40886, 81772, 163544, 327088, 633733, 654176, 1267466, 1308352, 2534932, 2616704, 5069864, 10139728, 20279456, 40558912, 81117824]

約数ペア:

[(1, 81117824), (2, 40558912), (4, 20279456), (8, 10139728), (16, 5069864), (31, 2616704), (32, 2534932), (62, 1308352), (64, 1267466), (124, 654176), (128, 633733), (248, 327088), (496, 163544), (992, 81772), (1984, 40886), (3968, 20443)]