129638656

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 300091904

約数和(自身を除く): 170453248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 584, 896, 991, 1022, 1168, 1792, 1982, 2044, 2336, 3964, 4088, 4672, 6937, 7928, 8176, 9344, 13874, 15856, 16352, 18688, 27748, 31712, 32704, 55496, 63424, 65408, 72343, 110992, 126848, 130816, 144686, 221984, 253696, 289372, 443968, 506401, 578744, 887936, 1012802, 1157488, 1775872, 2025604, 2314976, 4051208, 4629952, 8102416, 9259904, 16204832, 18519808, 32409664, 64819328, 129638656]

約数ペア:

[(1, 129638656), (2, 64819328), (4, 32409664), (7, 18519808), (8, 16204832), (14, 9259904), (16, 8102416), (28, 4629952), (32, 4051208), (56, 2314976), (64, 2025604), (73, 1775872), (112, 1157488), (128, 1012802), (146, 887936), (224, 578744), (256, 506401), (292, 443968), (448, 289372), (511, 253696), (584, 221984), (896, 144686), (991, 130816), (1022, 126848), (1168, 110992), (1792, 72343), (1982, 65408), (2044, 63424), (2336, 55496), (3964, 32704), (4088, 31712), (4672, 27748), (6937, 18688), (7928, 16352), (8176, 15856), (9344, 13874)]