28708664

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{5581}}^1$

素因数の和:6230

約数の個数: 16

約数和(自身を含む): 53922120

約数和(自身を除く): 25213456

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5144, 5581, 11162, 22324, 44648, 3588583, 7177166, 14354332, 28708664]

約数ペア:

[(1, 28708664), (2, 14354332), (4, 7177166), (8, 3588583), (643, 44648), (1286, 22324), (2572, 11162), (5144, 5581)]