1277792012

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1987}}^1$

素因数の和:2215

約数の個数: 72

約数和(自身を含む): 2769896304

約数和(自身を除く): 1492104292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 193, 196, 238, 386, 476, 772, 833, 1351, 1666, 1987, 2702, 3281, 3332, 3974, 5404, 6562, 7948, 9457, 13124, 13909, 18914, 22967, 27818, 33779, 37828, 45934, 55636, 67558, 91868, 97363, 135116, 160769, 194726, 236453, 321538, 383491, 389452, 472906, 643076, 766982, 945812, 1533964, 1655171, 2684437, 3310342, 5368874, 6519347, 6620684, 10737748, 13038694, 18791059, 26077388, 37582118, 45635429, 75164236, 91270858, 182541716, 319448003, 638896006, 1277792012]

約数ペア:

[(1, 1277792012), (2, 638896006), (4, 319448003), (7, 182541716), (14, 91270858), (17, 75164236), (28, 45635429), (34, 37582118), (49, 26077388), (68, 18791059), (98, 13038694), (119, 10737748), (193, 6620684), (196, 6519347), (238, 5368874), (386, 3310342), (476, 2684437), (772, 1655171), (833, 1533964), (1351, 945812), (1666, 766982), (1987, 643076), (2702, 472906), (3281, 389452), (3332, 383491), (3974, 321538), (5404, 236453), (6562, 194726), (7948, 160769), (9457, 135116), (13124, 97363), (13909, 91868), (18914, 67558), (22967, 55636), (27818, 45934), (33779, 37828)]