261551164

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{153133}}^1$

素因数の和:153205

約数の個数: 24

約数和(自身を含む): 531681248

約数和(自身を除く): 270130084

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 153133, 306266, 612532, 1071931, 2143862, 4287724, 9341113, 18682226, 37364452, 65387791, 130775582, 261551164]

約数ペア:

[(1, 261551164), (2, 130775582), (4, 65387791), (7, 37364452), (14, 18682226), (28, 9341113), (61, 4287724), (122, 2143862), (244, 1071931), (427, 612532), (854, 306266), (1708, 153133)]