90990848

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1487

約数の個数: 72

約数和(自身を含む): 206035200

約数和(自身を除く): 115044352

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, 1439, 1664, 1976, 2432, 2878, 3328, 3952, 4864, 5756, 7904, 11512, 15808, 18707, 23024, 27341, 31616, 37414, 46048, 54682, 63232, 74828, 92096, 109364, 149656, 184192, 218728, 299312, 355433, 368384, 437456, 598624, 710866, 874912, 1197248, 1421732, 1749824, 2394496, 2843464, 3499648, 4788992, 5686928, 6999296, 11373856, 22747712, 45495424, 90990848]

約数ペア:

[(1, 90990848), (2, 45495424), (4, 22747712), (8, 11373856), (13, 6999296), (16, 5686928), (19, 4788992), (26, 3499648), (32, 2843464), (38, 2394496), (52, 1749824), (64, 1421732), (76, 1197248), (104, 874912), (128, 710866), (152, 598624), (208, 437456), (247, 368384), (256, 355433), (304, 299312), (416, 218728), (494, 184192), (608, 149656), (832, 109364), (988, 92096), (1216, 74828), (1439, 63232), (1664, 54682), (1976, 46048), (2432, 37414), (2878, 31616), (3328, 27341), (3952, 23024), (4864, 18707), (5756, 15808), (7904, 11512)]