138224506

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3793}}^1$

素因数の和:3958

約数の個数: 32

約数和(自身を含む): 251314560

約数和(自身を除く): 113090054

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 959, 1918, 2603, 3793, 5206, 7586, 18221, 26551, 36442, 53102, 72067, 144134, 504469, 519641, 1008938, 1039282, 3637487, 7274974, 9873179, 19746358, 69112253, 138224506]

約数ペア:

[(1, 138224506), (2, 69112253), (7, 19746358), (14, 9873179), (19, 7274974), (38, 3637487), (133, 1039282), (137, 1008938), (266, 519641), (274, 504469), (959, 144134), (1918, 72067), (2603, 53102), (3793, 36442), (5206, 26551), (7586, 18221)]