64456784

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1367}}^1$

素因数の和:1803

約数の個数: 40

約数和(自身を含む): 143169408

約数和(自身を除く): 78712624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 1367, 1684, 2734, 2947, 3368, 5468, 5894, 6736, 9569, 10936, 11788, 19138, 21872, 23576, 38276, 47152, 76552, 153104, 575507, 1151014, 2302028, 4028549, 4604056, 8057098, 9208112, 16114196, 32228392, 64456784]

約数ペア:

[(1, 64456784), (2, 32228392), (4, 16114196), (7, 9208112), (8, 8057098), (14, 4604056), (16, 4028549), (28, 2302028), (56, 1151014), (112, 575507), (421, 153104), (842, 76552), (1367, 47152), (1684, 38276), (2734, 23576), (2947, 21872), (3368, 19138), (5468, 11788), (5894, 10936), (6736, 9569)]