78245552

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 197790912

約数和(自身を除く): 119545360

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 49, 56, 77, 86, 88, 98, 112, 154, 172, 176, 196, 211, 301, 308, 344, 392, 422, 473, 539, 602, 616, 688, 784, 844, 946, 1078, 1204, 1232, 1477, 1688, 1892, 2107, 2156, 2321, 2408, 2954, 3311, 3376, 3784, 4214, 4312, 4642, 4816, 5908, 6622, 7568, 8428, 8624, 9073, 9284, 10339, 11816, 13244, 16247, 16856, 18146, 18568, 20678, 23177, 23632, 26488, 32494, 33712, 36292, 37136, 41356, 46354, 52976, 63511, 64988, 72584, 82712, 92708, 99803, 113729, 127022, 129976, 145168, 165424, 185416, 199606, 227458, 254044, 259952, 370832, 399212, 444577, 454916, 508088, 698621, 798424, 889154, 909832, 1016176, 1397242, 1596848, 1778308, 1819664, 2794484, 3556616, 4890347, 5588968, 7113232, 9780694, 11177936, 19561388, 39122776, 78245552]

約数ペア:

[(1, 78245552), (2, 39122776), (4, 19561388), (7, 11177936), (8, 9780694), (11, 7113232), (14, 5588968), (16, 4890347), (22, 3556616), (28, 2794484), (43, 1819664), (44, 1778308), (49, 1596848), (56, 1397242), (77, 1016176), (86, 909832), (88, 889154), (98, 798424), (112, 698621), (154, 508088), (172, 454916), (176, 444577), (196, 399212), (211, 370832), (301, 259952), (308, 254044), (344, 227458), (392, 199606), (422, 185416), (473, 165424), (539, 145168), (602, 129976), (616, 127022), (688, 113729), (784, 99803), (844, 92708), (946, 82712), (1078, 72584), (1204, 64988), (1232, 63511), (1477, 52976), (1688, 46354), (1892, 41356), (2107, 37136), (2156, 36292), (2321, 33712), (2408, 32494), (2954, 26488), (3311, 23632), (3376, 23177), (3784, 20678), (4214, 18568), (4312, 18146), (4642, 16856), (4816, 16247), (5908, 13244), (6622, 11816), (7568, 10339), (8428, 9284), (8624, 9073)]