256098492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 744831360

約数和(自身を除く): 488732868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 83, 114, 117, 156, 166, 171, 228, 234, 247, 249, 332, 342, 347, 468, 494, 498, 684, 694, 741, 747, 988, 996, 1041, 1079, 1388, 1482, 1494, 1577, 2082, 2158, 2223, 2964, 2988, 3123, 3154, 3237, 4164, 4316, 4446, 4511, 4731, 6246, 6308, 6474, 6593, 8892, 9022, 9462, 9711, 12492, 12948, 13186, 13533, 14193, 18044, 18924, 19422, 19779, 20501, 26372, 27066, 28386, 28801, 38844, 39558, 40599, 41002, 54132, 56772, 57602, 59337, 61503, 79116, 81198, 82004, 85709, 86403, 115204, 118674, 123006, 162396, 171418, 172806, 184509, 237348, 246012, 257127, 259209, 342836, 345612, 369018, 374413, 514254, 518418, 547219, 738036, 748826, 771381, 1028508, 1036836, 1094438, 1123239, 1497652, 1542762, 1641657, 2188876, 2246478, 3085524, 3283314, 3369717, 4492956, 4924971, 6566628, 6739434, 7113847, 9849942, 13478868, 14227694, 19699884, 21341541, 28455388, 42683082, 64024623, 85366164, 128049246, 256098492]

約数ペア:

[(1, 256098492), (2, 128049246), (3, 85366164), (4, 64024623), (6, 42683082), (9, 28455388), (12, 21341541), (13, 19699884), (18, 14227694), (19, 13478868), (26, 9849942), (36, 7113847), (38, 6739434), (39, 6566628), (52, 4924971), (57, 4492956), (76, 3369717), (78, 3283314), (83, 3085524), (114, 2246478), (117, 2188876), (156, 1641657), (166, 1542762), (171, 1497652), (228, 1123239), (234, 1094438), (247, 1036836), (249, 1028508), (332, 771381), (342, 748826), (347, 738036), (468, 547219), (494, 518418), (498, 514254), (684, 374413), (694, 369018), (741, 345612), (747, 342836), (988, 259209), (996, 257127), (1041, 246012), (1079, 237348), (1388, 184509), (1482, 172806), (1494, 171418), (1577, 162396), (2082, 123006), (2158, 118674), (2223, 115204), (2964, 86403), (2988, 85709), (3123, 82004), (3154, 81198), (3237, 79116), (4164, 61503), (4316, 59337), (4446, 57602), (4511, 56772), (4731, 54132), (6246, 41002), (6308, 40599), (6474, 39558), (6593, 38844), (8892, 28801), (9022, 28386), (9462, 27066), (9711, 26372), (12492, 20501), (12948, 19779), (13186, 19422), (13533, 18924), (14193, 18044)]