1778633168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1297}}^1$

素因数の和:1684

約数の個数: 80

約数和(自身を含む): 3920790720

約数和(自身を除く): 2142157552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 347, 494, 694, 988, 1297, 1388, 1976, 2594, 2776, 3952, 4511, 5188, 5552, 6593, 9022, 10376, 13186, 16861, 18044, 20752, 24643, 26372, 33722, 36088, 49286, 52744, 67444, 72176, 85709, 98572, 105488, 134888, 171418, 197144, 269776, 320359, 342836, 394288, 450059, 640718, 685672, 900118, 1281436, 1371344, 1800236, 2562872, 3600472, 5125744, 5850767, 7200944, 8551121, 11701534, 17102242, 23403068, 34204484, 46806136, 68408968, 93612272, 111164573, 136817936, 222329146, 444658292, 889316584, 1778633168]

約数ペア:

[(1, 1778633168), (2, 889316584), (4, 444658292), (8, 222329146), (13, 136817936), (16, 111164573), (19, 93612272), (26, 68408968), (38, 46806136), (52, 34204484), (76, 23403068), (104, 17102242), (152, 11701534), (208, 8551121), (247, 7200944), (304, 5850767), (347, 5125744), (494, 3600472), (694, 2562872), (988, 1800236), (1297, 1371344), (1388, 1281436), (1976, 900118), (2594, 685672), (2776, 640718), (3952, 450059), (4511, 394288), (5188, 342836), (5552, 320359), (6593, 269776), (9022, 197144), (10376, 171418), (13186, 134888), (16861, 105488), (18044, 98572), (20752, 85709), (24643, 72176), (26372, 67444), (33722, 52744), (36088, 49286)]