139621769

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 170263296

約数和(自身を除く): 30641527

約数列:

[1, 7, 41, 53, 67, 137, 287, 371, 469, 959, 2173, 2747, 3551, 5617, 7261, 9179, 15211, 19229, 24857, 39319, 50827, 64253, 145591, 297701, 376339, 486487, 1019137, 2083907, 2634373, 3405409, 19945967, 139621769]

約数ペア:

[(1, 139621769), (7, 19945967), (41, 3405409), (53, 2634373), (67, 2083907), (137, 1019137), (287, 486487), (371, 376339), (469, 297701), (959, 145591), (2173, 64253), (2747, 50827), (3551, 39319), (5617, 24857), (7261, 19229), (9179, 15211)]