257401564

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{883}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 534643200

約数和(自身を除く): 277241636

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 359, 406, 718, 812, 883, 1436, 1766, 2513, 3532, 5026, 6181, 10052, 10411, 12362, 20822, 24724, 25607, 41644, 51214, 72877, 102428, 145754, 179249, 291508, 316997, 358498, 633994, 716996, 1267988, 2218979, 4437958, 8875916, 9192913, 18385826, 36771652, 64350391, 128700782, 257401564]

約数ペア:

[(1, 257401564), (2, 128700782), (4, 64350391), (7, 36771652), (14, 18385826), (28, 9192913), (29, 8875916), (58, 4437958), (116, 2218979), (203, 1267988), (359, 716996), (406, 633994), (718, 358498), (812, 316997), (883, 291508), (1436, 179249), (1766, 145754), (2513, 102428), (3532, 72877), (5026, 51214), (6181, 41644), (10052, 25607), (10411, 24724), (12362, 20822)]