261354918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{18947}}^1$

素因数の和:18993

約数の個数: 48

約数和(自身を含む): 604820160

約数和(自身を除く): 343465242

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 121, 209, 242, 363, 418, 627, 726, 1254, 2299, 4598, 6897, 13794, 18947, 37894, 56841, 113682, 208417, 359993, 416834, 625251, 719986, 1079979, 1250502, 2159958, 2292587, 3959923, 4585174, 6877761, 7919846, 11879769, 13755522, 23759538, 43559153, 87118306, 130677459, 261354918]

約数ペア:

[(1, 261354918), (2, 130677459), (3, 87118306), (6, 43559153), (11, 23759538), (19, 13755522), (22, 11879769), (33, 7919846), (38, 6877761), (57, 4585174), (66, 3959923), (114, 2292587), (121, 2159958), (209, 1250502), (242, 1079979), (363, 719986), (418, 625251), (627, 416834), (726, 359993), (1254, 208417), (2299, 113682), (4598, 56841), (6897, 37894), (13794, 18947)]