255432814

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 488226816

約数和(自身を除く): 232794002

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 127, 182, 254, 257, 301, 514, 559, 602, 889, 1118, 1651, 1778, 1799, 3302, 3341, 3598, 3913, 5461, 6682, 7826, 10922, 11051, 11557, 22102, 23114, 23387, 32639, 38227, 46774, 65278, 70993, 76454, 77357, 141986, 143663, 154714, 228473, 287326, 424307, 456946, 496951, 848614, 993902, 1005641, 1403477, 2011282, 2806954, 2970149, 5940298, 9824339, 18245201, 19648678, 36490402, 127716407, 255432814]

約数ペア:

[(1, 255432814), (2, 127716407), (7, 36490402), (13, 19648678), (14, 18245201), (26, 9824339), (43, 5940298), (86, 2970149), (91, 2806954), (127, 2011282), (182, 1403477), (254, 1005641), (257, 993902), (301, 848614), (514, 496951), (559, 456946), (602, 424307), (889, 287326), (1118, 228473), (1651, 154714), (1778, 143663), (1799, 141986), (3302, 77357), (3341, 76454), (3598, 70993), (3913, 65278), (5461, 46774), (6682, 38227), (7826, 32639), (10922, 23387), (11051, 23114), (11557, 22102)]