247406656

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 588873600

約数和(自身を除く): 341466944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 137, 139, 203, 224, 232, 274, 278, 406, 448, 464, 548, 556, 812, 928, 959, 973, 1096, 1112, 1624, 1856, 1918, 1946, 2192, 2224, 3248, 3836, 3892, 3973, 4031, 4384, 4448, 6496, 7672, 7784, 7946, 8062, 8768, 8896, 12992, 15344, 15568, 15892, 16124, 19043, 27811, 28217, 30688, 31136, 31784, 32248, 38086, 55622, 56434, 61376, 62272, 63568, 64496, 76172, 111244, 112868, 127136, 128992, 133301, 152344, 222488, 225736, 254272, 257984, 266602, 304688, 444976, 451472, 533204, 552247, 609376, 889952, 902944, 1066408, 1104494, 1218752, 1779904, 1805888, 2132816, 2208988, 3865729, 4265632, 4417976, 7731458, 8531264, 8835952, 15462916, 17671904, 30925832, 35343808, 61851664, 123703328, 247406656]

約数ペア:

[(1, 247406656), (2, 123703328), (4, 61851664), (7, 35343808), (8, 30925832), (14, 17671904), (16, 15462916), (28, 8835952), (29, 8531264), (32, 7731458), (56, 4417976), (58, 4265632), (64, 3865729), (112, 2208988), (116, 2132816), (137, 1805888), (139, 1779904), (203, 1218752), (224, 1104494), (232, 1066408), (274, 902944), (278, 889952), (406, 609376), (448, 552247), (464, 533204), (548, 451472), (556, 444976), (812, 304688), (928, 266602), (959, 257984), (973, 254272), (1096, 225736), (1112, 222488), (1624, 152344), (1856, 133301), (1918, 128992), (1946, 127136), (2192, 112868), (2224, 111244), (3248, 76172), (3836, 64496), (3892, 63568), (3973, 62272), (4031, 61376), (4384, 56434), (4448, 55622), (6496, 38086), (7672, 32248), (7784, 31784), (7946, 31136), (8062, 30688), (8768, 28217), (8896, 27811), (12992, 19043), (15344, 16124), (15568, 15892)]