31217564

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 65028096

約数和(自身を除く): 33810532

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 383, 497, 574, 766, 994, 1148, 1532, 1988, 2681, 2911, 5362, 5822, 10724, 11644, 15703, 20377, 27193, 31406, 40754, 54386, 62812, 81508, 108772, 109921, 190351, 219842, 380702, 439684, 761404, 1114913, 2229826, 4459652, 7804391, 15608782, 31217564]

約数ペア:

[(1, 31217564), (2, 15608782), (4, 7804391), (7, 4459652), (14, 2229826), (28, 1114913), (41, 761404), (71, 439684), (82, 380702), (142, 219842), (164, 190351), (284, 109921), (287, 108772), (383, 81508), (497, 62812), (574, 54386), (766, 40754), (994, 31406), (1148, 27193), (1532, 20377), (1988, 15703), (2681, 11644), (2911, 10724), (5362, 5822)]