680804936

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{153889}}^1$

素因数の和:153981

約数の個数: 32

約数和(自身を含む): 1477344000

約数和(自身を除く): 796539064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 153889, 307778, 615556, 1077223, 1231112, 2154446, 4308892, 8617784, 12157231, 24314462, 48628924, 85100617, 97257848, 170201234, 340402468, 680804936]

約数ペア:

[(1, 680804936), (2, 340402468), (4, 170201234), (7, 97257848), (8, 85100617), (14, 48628924), (28, 24314462), (56, 12157231), (79, 8617784), (158, 4308892), (316, 2154446), (553, 1231112), (632, 1077223), (1106, 615556), (2212, 307778), (4424, 153889)]