28088728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 55416960

約数和(自身を除く): 27328232

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1643, 2137, 3286, 4274, 6572, 8548, 13144, 17096, 66247, 113261, 132494, 226522, 264988, 453044, 529976, 906088, 3511091, 7022182, 14044364, 28088728]

約数ペア:

[(1, 28088728), (2, 14044364), (4, 7022182), (8, 3511091), (31, 906088), (53, 529976), (62, 453044), (106, 264988), (124, 226522), (212, 132494), (248, 113261), (424, 66247), (1643, 17096), (2137, 13144), (3286, 8548), (4274, 6572)]