208239656

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{719}}^1\times {\mathrm{883}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 400982400

約数和(自身を除く): 192742744

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 719, 883, 1438, 1766, 2876, 3532, 5752, 7064, 29479, 36203, 58958, 72406, 117916, 144812, 235832, 289624, 634877, 1269754, 2539508, 5079016, 26029957, 52059914, 104119828, 208239656]

約数ペア:

[(1, 208239656), (2, 104119828), (4, 52059914), (8, 26029957), (41, 5079016), (82, 2539508), (164, 1269754), (328, 634877), (719, 289624), (883, 235832), (1438, 144812), (1766, 117916), (2876, 72406), (3532, 58958), (5752, 36203), (7064, 29479)]