2489684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2590636

約数列:

[1, 2, 4, 17, 19, 34, 38, 41, 47, 68, 76, 82, 94, 164, 188, 323, 646, 697, 779, 799, 893, 1292, 1394, 1558, 1598, 1786, 1927, 2788, 3116, 3196, 3572, 3854, 7708, 13243, 15181, 26486, 30362, 32759, 36613, 52972, 60724, 65518, 73226, 131036, 146452, 622421, 1244842, 2489684]

約数ペア:

[(1, 2489684), (2, 1244842), (4, 622421), (17, 146452), (19, 131036), (34, 73226), (38, 65518), (41, 60724), (47, 52972), (68, 36613), (76, 32759), (82, 30362), (94, 26486), (164, 15181), (188, 13243), (323, 7708), (646, 3854), (697, 3572), (779, 3196), (799, 3116), (893, 2788), (1292, 1927), (1394, 1786), (1558, 1598)]