28820706

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 59590080

約数和(自身を除く): 30769374

約数列:

[1, 2, 3, 6, 37, 74, 111, 197, 222, 394, 591, 659, 1182, 1318, 1977, 3954, 7289, 14578, 21867, 24383, 43734, 48766, 73149, 129823, 146298, 259646, 389469, 778938, 4803451, 9606902, 14410353, 28820706]

約数ペア:

[(1, 28820706), (2, 14410353), (3, 9606902), (6, 4803451), (37, 778938), (74, 389469), (111, 259646), (197, 146298), (222, 129823), (394, 73149), (591, 48766), (659, 43734), (1182, 24383), (1318, 21867), (1977, 14578), (3954, 7289)]