999697664

素因数分解:

$2^8\times 7^1\times {\mathrm{571}}^1\times {\mathrm{977}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 2286892608

約数和(自身を除く): 1287194944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 571, 896, 977, 1142, 1792, 1954, 2284, 3908, 3997, 4568, 6839, 7816, 7994, 9136, 13678, 15632, 15988, 18272, 27356, 31264, 31976, 36544, 54712, 62528, 63952, 73088, 109424, 125056, 127904, 146176, 218848, 250112, 255808, 437696, 511616, 557867, 875392, 1023232, 1115734, 1750784, 2231468, 3905069, 4462936, 7810138, 8925872, 15620276, 17851744, 31240552, 35703488, 62481104, 71406976, 124962208, 142813952, 249924416, 499848832, 999697664]

約数ペア:

[(1, 999697664), (2, 499848832), (4, 249924416), (7, 142813952), (8, 124962208), (14, 71406976), (16, 62481104), (28, 35703488), (32, 31240552), (56, 17851744), (64, 15620276), (112, 8925872), (128, 7810138), (224, 4462936), (256, 3905069), (448, 2231468), (571, 1750784), (896, 1115734), (977, 1023232), (1142, 875392), (1792, 557867), (1954, 511616), (2284, 437696), (3908, 255808), (3997, 250112), (4568, 218848), (6839, 146176), (7816, 127904), (7994, 125056), (9136, 109424), (13678, 73088), (15632, 63952), (15988, 62528), (18272, 54712), (27356, 36544), (31264, 31976)]