287533568

素因数分解:

$2^9\times 7^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 120

約数和(自身を含む): 681772212

約数和(自身を除く): 394238644

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 157, 196, 224, 256, 292, 314, 392, 448, 511, 512, 584, 628, 784, 896, 1022, 1099, 1168, 1256, 1568, 1792, 2044, 2198, 2336, 2512, 3136, 3577, 3584, 4088, 4396, 4672, 5024, 6272, 7154, 7693, 8176, 8792, 9344, 10048, 11461, 12544, 14308, 15386, 16352, 17584, 18688, 20096, 22922, 25088, 28616, 30772, 32704, 35168, 37376, 40192, 45844, 57232, 61544, 65408, 70336, 80227, 80384, 91688, 114464, 123088, 130816, 140672, 160454, 183376, 228928, 246176, 261632, 281344, 320908, 366752, 457856, 492352, 561589, 562688, 641816, 733504, 915712, 984704, 1123178, 1283632, 1467008, 1831424, 1969408, 2246356, 2567264, 2934016, 3938816, 4492712, 5134528, 5868032, 8985424, 10269056, 17970848, 20538112, 35941696, 41076224, 71883392, 143766784, 287533568]

約数ペア:

[(1, 287533568), (2, 143766784), (4, 71883392), (7, 41076224), (8, 35941696), (14, 20538112), (16, 17970848), (28, 10269056), (32, 8985424), (49, 5868032), (56, 5134528), (64, 4492712), (73, 3938816), (98, 2934016), (112, 2567264), (128, 2246356), (146, 1969408), (157, 1831424), (196, 1467008), (224, 1283632), (256, 1123178), (292, 984704), (314, 915712), (392, 733504), (448, 641816), (511, 562688), (512, 561589), (584, 492352), (628, 457856), (784, 366752), (896, 320908), (1022, 281344), (1099, 261632), (1168, 246176), (1256, 228928), (1568, 183376), (1792, 160454), (2044, 140672), (2198, 130816), (2336, 123088), (2512, 114464), (3136, 91688), (3577, 80384), (3584, 80227), (4088, 70336), (4396, 65408), (4672, 61544), (5024, 57232), (6272, 45844), (7154, 40192), (7693, 37376), (8176, 35168), (8792, 32704), (9344, 30772), (10048, 28616), (11461, 25088), (12544, 22922), (14308, 20096), (15386, 18688), (16352, 17584)]