126400768

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 286160000

約数和(自身を除く): 159759232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 1999, 2432, 3328, 3952, 3998, 4864, 7904, 7996, 15808, 15992, 25987, 31616, 31984, 37981, 51974, 63232, 63968, 75962, 103948, 127936, 151924, 207896, 255872, 303848, 415792, 493753, 511744, 607696, 831584, 987506, 1215392, 1663168, 1975012, 2430784, 3326336, 3950024, 4861568, 6652672, 7900048, 9723136, 15800096, 31600192, 63200384, 126400768]

約数ペア:

[(1, 126400768), (2, 63200384), (4, 31600192), (8, 15800096), (13, 9723136), (16, 7900048), (19, 6652672), (26, 4861568), (32, 3950024), (38, 3326336), (52, 2430784), (64, 1975012), (76, 1663168), (104, 1215392), (128, 987506), (152, 831584), (208, 607696), (247, 511744), (256, 493753), (304, 415792), (416, 303848), (494, 255872), (608, 207896), (832, 151924), (988, 127936), (1216, 103948), (1664, 75962), (1976, 63968), (1999, 63232), (2432, 51974), (3328, 37981), (3952, 31984), (3998, 31616), (4864, 25987), (7904, 15992), (7996, 15808)]