81270784

素因数分解:

$2^{11}\times 7^1\times {\mathrm{5669}}^1$

素因数の和:5698

約数の個数: 48

約数和(自身を含む): 185749200

約数和(自身を除く): 104478416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 5669, 7168, 11338, 14336, 22676, 39683, 45352, 79366, 90704, 158732, 181408, 317464, 362816, 634928, 725632, 1269856, 1451264, 2539712, 2902528, 5079424, 5805056, 10158848, 11610112, 20317696, 40635392, 81270784]

約数ペア:

[(1, 81270784), (2, 40635392), (4, 20317696), (7, 11610112), (8, 10158848), (14, 5805056), (16, 5079424), (28, 2902528), (32, 2539712), (56, 1451264), (64, 1269856), (112, 725632), (128, 634928), (224, 362816), (256, 317464), (448, 181408), (512, 158732), (896, 90704), (1024, 79366), (1792, 45352), (2048, 39683), (3584, 22676), (5669, 14336), (7168, 11338)]