278576532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 789268480

約数和(自身を除く): 510691948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 109, 117, 127, 129, 156, 172, 218, 234, 254, 258, 327, 381, 387, 436, 468, 508, 516, 559, 654, 762, 774, 981, 1118, 1143, 1308, 1417, 1524, 1548, 1651, 1677, 1962, 2236, 2286, 2834, 3302, 3354, 3924, 4251, 4572, 4687, 4953, 5031, 5461, 5668, 6604, 6708, 8502, 9374, 9906, 10062, 10922, 12753, 13843, 14061, 14859, 16383, 17004, 18748, 19812, 20124, 21844, 25506, 27686, 28122, 29718, 32766, 41529, 42183, 49149, 51012, 55372, 56244, 59436, 60931, 65532, 70993, 83058, 84366, 98298, 121862, 124587, 141986, 166116, 168732, 179959, 182793, 196596, 212979, 243724, 249174, 283972, 359918, 365586, 425958, 498348, 539877, 548379, 595249, 638937, 719836, 731172, 851916, 1079754, 1096758, 1190498, 1277874, 1619631, 1785747, 2159508, 2193516, 2380996, 2555748, 3239262, 3571494, 5357241, 6478524, 7142988, 7738237, 10714482, 15476474, 21428964, 23214711, 30952948, 46429422, 69644133, 92858844, 139288266, 278576532]

約数ペア:

[(1, 278576532), (2, 139288266), (3, 92858844), (4, 69644133), (6, 46429422), (9, 30952948), (12, 23214711), (13, 21428964), (18, 15476474), (26, 10714482), (36, 7738237), (39, 7142988), (43, 6478524), (52, 5357241), (78, 3571494), (86, 3239262), (109, 2555748), (117, 2380996), (127, 2193516), (129, 2159508), (156, 1785747), (172, 1619631), (218, 1277874), (234, 1190498), (254, 1096758), (258, 1079754), (327, 851916), (381, 731172), (387, 719836), (436, 638937), (468, 595249), (508, 548379), (516, 539877), (559, 498348), (654, 425958), (762, 365586), (774, 359918), (981, 283972), (1118, 249174), (1143, 243724), (1308, 212979), (1417, 196596), (1524, 182793), (1548, 179959), (1651, 168732), (1677, 166116), (1962, 141986), (2236, 124587), (2286, 121862), (2834, 98298), (3302, 84366), (3354, 83058), (3924, 70993), (4251, 65532), (4572, 60931), (4687, 59436), (4953, 56244), (5031, 55372), (5461, 51012), (5668, 49149), (6604, 42183), (6708, 41529), (8502, 32766), (9374, 29718), (9906, 28122), (10062, 27686), (10922, 25506), (12753, 21844), (13843, 20124), (14061, 19812), (14859, 18748), (16383, 17004)]