121111328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{839}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 257826240

約数和(自身を除く): 136714912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 347, 416, 694, 839, 1388, 1678, 2776, 3356, 4511, 5552, 6712, 9022, 10907, 11104, 13424, 18044, 21814, 26848, 36088, 43628, 72176, 87256, 144352, 174512, 291133, 349024, 582266, 1164532, 2329064, 3784729, 4658128, 7569458, 9316256, 15138916, 30277832, 60555664, 121111328]

約数ペア:

[(1, 121111328), (2, 60555664), (4, 30277832), (8, 15138916), (13, 9316256), (16, 7569458), (26, 4658128), (32, 3784729), (52, 2329064), (104, 1164532), (208, 582266), (347, 349024), (416, 291133), (694, 174512), (839, 144352), (1388, 87256), (1678, 72176), (2776, 43628), (3356, 36088), (4511, 26848), (5552, 21814), (6712, 18044), (9022, 13424), (10907, 11104)]