205721724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1318729}}^1$

素因数の和:1318749

約数の個数: 24

約数和(自身を含む): 516942160

約数和(自身を除く): 311220436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1318729, 2637458, 3956187, 5274916, 7912374, 15824748, 17143477, 34286954, 51430431, 68573908, 102860862, 205721724]

約数ペア:

[(1, 205721724), (2, 102860862), (3, 68573908), (4, 51430431), (6, 34286954), (12, 17143477), (13, 15824748), (26, 7912374), (39, 5274916), (52, 3956187), (78, 2637458), (156, 1318729)]