388450816

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3433}}^1$

素因数の和:3481

約数の個数: 80

約数和(自身を含む): 885271464

約数和(自身を除く): 496820648

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3433, 3536, 4352, 6656, 6866, 7072, 8704, 13732, 14144, 27464, 28288, 44629, 54928, 56576, 58361, 89258, 109856, 113152, 116722, 178516, 219712, 233444, 357032, 439424, 466888, 714064, 758693, 878848, 933776, 1428128, 1517386, 1757696, 1867552, 2856256, 3034772, 3735104, 5712512, 6069544, 7470208, 11425024, 12139088, 14940416, 22850048, 24278176, 29880832, 48556352, 97112704, 194225408, 388450816]

約数ペア:

[(1, 388450816), (2, 194225408), (4, 97112704), (8, 48556352), (13, 29880832), (16, 24278176), (17, 22850048), (26, 14940416), (32, 12139088), (34, 11425024), (52, 7470208), (64, 6069544), (68, 5712512), (104, 3735104), (128, 3034772), (136, 2856256), (208, 1867552), (221, 1757696), (256, 1517386), (272, 1428128), (416, 933776), (442, 878848), (512, 758693), (544, 714064), (832, 466888), (884, 439424), (1088, 357032), (1664, 233444), (1768, 219712), (2176, 178516), (3328, 116722), (3433, 113152), (3536, 109856), (4352, 89258), (6656, 58361), (6866, 56576), (7072, 54928), (8704, 44629), (13732, 28288), (14144, 27464)]