197653542

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 433424640

約数和(自身を除く): 235771098

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 61, 86, 114, 122, 129, 183, 258, 366, 661, 817, 1159, 1322, 1634, 1983, 2318, 2451, 2623, 3477, 3966, 4902, 5246, 6954, 7869, 12559, 15738, 25118, 28423, 37677, 40321, 49837, 56846, 75354, 80642, 85269, 99674, 120963, 149511, 170538, 241926, 299022, 540037, 766099, 1080074, 1532198, 1620111, 1733803, 2298297, 3240222, 3467606, 4596594, 5201409, 10402818, 32942257, 65884514, 98826771, 197653542]

約数ペア:

[(1, 197653542), (2, 98826771), (3, 65884514), (6, 32942257), (19, 10402818), (38, 5201409), (43, 4596594), (57, 3467606), (61, 3240222), (86, 2298297), (114, 1733803), (122, 1620111), (129, 1532198), (183, 1080074), (258, 766099), (366, 540037), (661, 299022), (817, 241926), (1159, 170538), (1322, 149511), (1634, 120963), (1983, 99674), (2318, 85269), (2451, 80642), (2623, 75354), (3477, 56846), (3966, 49837), (4902, 40321), (5246, 37677), (6954, 28423), (7869, 25118), (12559, 15738)]