64995008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:625

約数の個数: 56

約数和(自身を含む): 139964160

約数和(自身を除く): 74969152

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 191, 208, 382, 409, 416, 764, 818, 832, 1528, 1636, 2483, 3056, 3272, 4966, 5317, 6112, 6544, 9932, 10634, 12224, 13088, 19864, 21268, 26176, 39728, 42536, 78119, 79456, 85072, 156238, 158912, 170144, 312476, 340288, 624952, 1015547, 1249904, 2031094, 2499808, 4062188, 4999616, 8124376, 16248752, 32497504, 64995008]

約数ペア:

[(1, 64995008), (2, 32497504), (4, 16248752), (8, 8124376), (13, 4999616), (16, 4062188), (26, 2499808), (32, 2031094), (52, 1249904), (64, 1015547), (104, 624952), (191, 340288), (208, 312476), (382, 170144), (409, 158912), (416, 156238), (764, 85072), (818, 79456), (832, 78119), (1528, 42536), (1636, 39728), (2483, 26176), (3056, 21268), (3272, 19864), (4966, 13088), (5317, 12224), (6112, 10634), (6544, 9932)]