1218644

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 2475648

約数和(自身を除く): 1257004

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 613, 994, 1226, 1988, 2452, 4291, 8582, 17164, 43523, 87046, 174092, 304661, 609322, 1218644]

約数ペア:

[(1, 1218644), (2, 609322), (4, 304661), (7, 174092), (14, 87046), (28, 43523), (71, 17164), (142, 8582), (284, 4291), (497, 2452), (613, 1988), (994, 1226)]