1668491638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1\times {\mathrm{1481}}^1$

素因数の和:2784

約数の個数: 32

約数和(自身を含む): 2800980000

約数和(自身を除く): 1132488362

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 1249, 1481, 2498, 2962, 13739, 16291, 27478, 32582, 51209, 60721, 102418, 121442, 563299, 667931, 1126598, 1335862, 1849769, 3699538, 20347459, 40694918, 75840529, 151681058, 834245819, 1668491638]

約数ペア:

[(1, 1668491638), (2, 834245819), (11, 151681058), (22, 75840529), (41, 40694918), (82, 20347459), (451, 3699538), (902, 1849769), (1249, 1335862), (1481, 1126598), (2498, 667931), (2962, 563299), (13739, 121442), (16291, 102418), (27478, 60721), (32582, 51209)]