971369984

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7681}}^1$

素因数の和:7731

約数の個数: 80

約数和(自身を含む): 2200432080

約数和(自身を除く): 1229062096

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, 512, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 6656, 7681, 7904, 9728, 15362, 15808, 30724, 31616, 61448, 63232, 99853, 122896, 126464, 145939, 199706, 245792, 291878, 399412, 491584, 583756, 798824, 983168, 1167512, 1597648, 1897207, 1966336, 2335024, 3195296, 3794414, 3932672, 4670048, 6390592, 7588828, 9340096, 12781184, 15177656, 18680192, 25562368, 30355312, 37360384, 51124736, 60710624, 74720768, 121421248, 242842496, 485684992, 971369984]

約数ペア:

[(1, 971369984), (2, 485684992), (4, 242842496), (8, 121421248), (13, 74720768), (16, 60710624), (19, 51124736), (26, 37360384), (32, 30355312), (38, 25562368), (52, 18680192), (64, 15177656), (76, 12781184), (104, 9340096), (128, 7588828), (152, 6390592), (208, 4670048), (247, 3932672), (256, 3794414), (304, 3195296), (416, 2335024), (494, 1966336), (512, 1897207), (608, 1597648), (832, 1167512), (988, 983168), (1216, 798824), (1664, 583756), (1976, 491584), (2432, 399412), (3328, 291878), (3952, 245792), (4864, 199706), (6656, 145939), (7681, 126464), (7904, 122896), (9728, 99853), (15362, 63232), (15808, 61448), (30724, 31616)]