81251784

素因数分解:

$2^3\times 3^2\times {\mathrm{1128497}}^1$

素因数の和:1128509

約数の個数: 24

約数和(自身を含む): 220057110

約数和(自身を除く): 138805326

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128497, 2256994, 3385491, 4513988, 6770982, 9027976, 10156473, 13541964, 20312946, 27083928, 40625892, 81251784]

約数ペア:

[(1, 81251784), (2, 40625892), (3, 27083928), (4, 20312946), (6, 13541964), (8, 10156473), (9, 9027976), (12, 6770982), (18, 4513988), (24, 3385491), (36, 2256994), (72, 1128497)]