71971564

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 149700096

約数和(自身を除く): 77728532

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 497, 574, 883, 994, 1148, 1766, 1988, 2911, 3532, 5822, 6181, 11644, 12362, 20377, 24724, 36203, 40754, 62693, 72406, 81508, 125386, 144812, 250772, 253421, 438851, 506842, 877702, 1013684, 1755404, 2570413, 5140826, 10281652, 17992891, 35985782, 71971564]

約数ペア:

[(1, 71971564), (2, 35985782), (4, 17992891), (7, 10281652), (14, 5140826), (28, 2570413), (41, 1755404), (71, 1013684), (82, 877702), (142, 506842), (164, 438851), (284, 253421), (287, 250772), (497, 144812), (574, 125386), (883, 81508), (994, 72406), (1148, 62693), (1766, 40754), (1988, 36203), (2911, 24724), (3532, 20377), (5822, 12362), (6181, 11644)]