128726754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 295674624

約数和(自身を除く): 166947870

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 193, 221, 386, 442, 503, 579, 663, 1006, 1158, 1326, 1509, 2509, 3018, 3281, 5018, 6539, 6562, 7527, 8551, 9843, 13078, 15054, 17102, 19617, 19686, 25653, 39234, 42653, 51306, 85306, 97079, 111163, 127959, 194158, 222326, 255918, 291237, 333489, 582474, 666978, 1262027, 1650343, 2524054, 3300686, 3786081, 4951029, 7572162, 9902058, 21454459, 42908918, 64363377, 128726754]

約数ペア:

[(1, 128726754), (2, 64363377), (3, 42908918), (6, 21454459), (13, 9902058), (17, 7572162), (26, 4951029), (34, 3786081), (39, 3300686), (51, 2524054), (78, 1650343), (102, 1262027), (193, 666978), (221, 582474), (386, 333489), (442, 291237), (503, 255918), (579, 222326), (663, 194158), (1006, 127959), (1158, 111163), (1326, 97079), (1509, 85306), (2509, 51306), (3018, 42653), (3281, 39234), (5018, 25653), (6539, 19686), (6562, 19617), (7527, 17102), (8551, 15054), (9843, 13078)]