311937896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 662904000

約数和(自身を除く): 350966104

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 323, 488, 646, 1037, 1159, 1292, 1979, 2074, 2318, 2584, 3958, 4148, 4636, 7916, 8296, 9272, 15832, 19703, 33643, 37601, 39406, 67286, 75202, 78812, 120719, 134572, 150404, 157624, 241438, 269144, 300808, 482876, 639217, 965752, 1278434, 2052223, 2293661, 2556868, 4104446, 4587322, 5113736, 8208892, 9174644, 16417784, 18349288, 38992237, 77984474, 155968948, 311937896]

約数ペア:

[(1, 311937896), (2, 155968948), (4, 77984474), (8, 38992237), (17, 18349288), (19, 16417784), (34, 9174644), (38, 8208892), (61, 5113736), (68, 4587322), (76, 4104446), (122, 2556868), (136, 2293661), (152, 2052223), (244, 1278434), (323, 965752), (488, 639217), (646, 482876), (1037, 300808), (1159, 269144), (1292, 241438), (1979, 157624), (2074, 150404), (2318, 134572), (2584, 120719), (3958, 78812), (4148, 75202), (4636, 67286), (7916, 39406), (8296, 37601), (9272, 33643), (15832, 19703)]