521389204

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{43609}}^1$

素因数の和:43688

約数の個数: 36

約数和(自身を含む): 1078824180

約数和(自身を除く): 557434976

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 11956, 43609, 87218, 174436, 305263, 610526, 1221052, 2136841, 2660149, 4273682, 5320298, 8547364, 10640596, 18621043, 37242086, 74484172, 130347301, 260694602, 521389204]

約数ペア:

[(1, 521389204), (2, 260694602), (4, 130347301), (7, 74484172), (14, 37242086), (28, 18621043), (49, 10640596), (61, 8547364), (98, 5320298), (122, 4273682), (196, 2660149), (244, 2136841), (427, 1221052), (854, 610526), (1708, 305263), (2989, 174436), (5978, 87218), (11956, 43609)]