256496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 40

約数和(自身を含む): 562464

約数和(自身を除く): 305968

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 41, 46, 68, 82, 92, 136, 164, 184, 272, 328, 368, 391, 656, 697, 782, 943, 1394, 1564, 1886, 2788, 3128, 3772, 5576, 6256, 7544, 11152, 15088, 16031, 32062, 64124, 128248, 256496]

約数ペア:

[(1, 256496), (2, 128248), (4, 64124), (8, 32062), (16, 16031), (17, 15088), (23, 11152), (34, 7544), (41, 6256), (46, 5576), (68, 3772), (82, 3128), (92, 2788), (136, 1886), (164, 1564), (184, 1394), (272, 943), (328, 782), (368, 697), (391, 656)]