64173872

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1361}}^1$

素因数の和:1797

約数の個数: 40

約数和(自身を含む): 142541472

約数和(自身を除く): 78367600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 1361, 1684, 2722, 2947, 3368, 5444, 5894, 6736, 9527, 10888, 11788, 19054, 21776, 23576, 38108, 47152, 76216, 152432, 572981, 1145962, 2291924, 4010867, 4583848, 8021734, 9167696, 16043468, 32086936, 64173872]

約数ペア:

[(1, 64173872), (2, 32086936), (4, 16043468), (7, 9167696), (8, 8021734), (14, 4583848), (16, 4010867), (28, 2291924), (56, 1145962), (112, 572981), (421, 152432), (842, 76216), (1361, 47152), (1684, 38108), (2722, 23576), (2947, 21776), (3368, 19054), (5444, 11788), (5894, 10888), (6736, 9527)]