81869332

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 145157600

約数和(自身を除く): 63288268

約数列:

[1, 2, 4, 139, 229, 278, 458, 556, 643, 916, 1286, 2572, 31831, 63662, 89377, 127324, 147247, 178754, 294494, 357508, 588988, 20467333, 40934666, 81869332]

約数ペア:

[(1, 81869332), (2, 40934666), (4, 20467333), (139, 588988), (229, 357508), (278, 294494), (458, 178754), (556, 147247), (643, 127324), (916, 89377), (1286, 63662), (2572, 31831)]