128545456

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 272440152

約数和(自身を除く): 143894696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 169, 208, 274, 338, 347, 548, 676, 694, 1096, 1352, 1388, 1781, 2192, 2704, 2776, 3562, 4511, 5552, 7124, 9022, 14248, 18044, 23153, 28496, 36088, 46306, 47539, 58643, 72176, 92612, 95078, 117286, 185224, 190156, 234572, 370448, 380312, 469144, 618007, 760624, 938288, 1236014, 2472028, 4944056, 8034091, 9888112, 16068182, 32136364, 64272728, 128545456]

約数ペア:

[(1, 128545456), (2, 64272728), (4, 32136364), (8, 16068182), (13, 9888112), (16, 8034091), (26, 4944056), (52, 2472028), (104, 1236014), (137, 938288), (169, 760624), (208, 618007), (274, 469144), (338, 380312), (347, 370448), (548, 234572), (676, 190156), (694, 185224), (1096, 117286), (1352, 95078), (1388, 92612), (1781, 72176), (2192, 58643), (2704, 47539), (2776, 46306), (3562, 36088), (4511, 28496), (5552, 23153), (7124, 18044), (9022, 14248)]