31216384

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2076

約数の個数: 36

約数和(自身を含む): 63364000

約数和(自身を除く): 32147616

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 1999, 3904, 3998, 7808, 7996, 15616, 15992, 31984, 63968, 121939, 127936, 243878, 255872, 487756, 511744, 975512, 1951024, 3902048, 7804096, 15608192, 31216384]

約数ペア:

[(1, 31216384), (2, 15608192), (4, 7804096), (8, 3902048), (16, 1951024), (32, 975512), (61, 511744), (64, 487756), (122, 255872), (128, 243878), (244, 127936), (256, 121939), (488, 63968), (976, 31984), (1952, 15992), (1999, 15616), (3904, 7996), (3998, 7808)]