128328284

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 266519232

約数和(自身を除く): 138190948

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 97, 148, 194, 259, 388, 518, 679, 1036, 1277, 1358, 2554, 2716, 3589, 5108, 7178, 8939, 14356, 17878, 25123, 35756, 47249, 50246, 94498, 100492, 123869, 188996, 247738, 330743, 495476, 661486, 867083, 1322972, 1734166, 3468332, 4583153, 9166306, 18332612, 32082071, 64164142, 128328284]

約数ペア:

[(1, 128328284), (2, 64164142), (4, 32082071), (7, 18332612), (14, 9166306), (28, 4583153), (37, 3468332), (74, 1734166), (97, 1322972), (148, 867083), (194, 661486), (259, 495476), (388, 330743), (518, 247738), (679, 188996), (1036, 123869), (1277, 100492), (1358, 94498), (2554, 50246), (2716, 47249), (3589, 35756), (5108, 25123), (7178, 17878), (8939, 14356)]