138575752

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^2\times {\mathrm{263}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 301181760

約数和(自身を除く): 162606008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 263, 388, 526, 679, 776, 1052, 1358, 1841, 2104, 2716, 3682, 5432, 7364, 9409, 14728, 18818, 25511, 37636, 51022, 65863, 75272, 102044, 131726, 178577, 204088, 263452, 357154, 526904, 714308, 1428616, 2474567, 4949134, 9898268, 17321969, 19796536, 34643938, 69287876, 138575752]

約数ペア:

[(1, 138575752), (2, 69287876), (4, 34643938), (7, 19796536), (8, 17321969), (14, 9898268), (28, 4949134), (56, 2474567), (97, 1428616), (194, 714308), (263, 526904), (388, 357154), (526, 263452), (679, 204088), (776, 178577), (1052, 131726), (1358, 102044), (1841, 75272), (2104, 65863), (2716, 51022), (3682, 37636), (5432, 25511), (7364, 18818), (9409, 14728)]