389627842

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 605203200

約数和(自身を除く): 215575358

約数列:

[1, 2, 79, 113, 139, 157, 158, 226, 278, 314, 8927, 10981, 12403, 15707, 17741, 17854, 21823, 21962, 24806, 31414, 35482, 43646, 1240853, 1401539, 1724017, 2465999, 2481706, 2803078, 3448034, 4931998, 194813921, 389627842]

約数ペア:

[(1, 389627842), (2, 194813921), (79, 4931998), (113, 3448034), (139, 2803078), (157, 2481706), (158, 2465999), (226, 1724017), (278, 1401539), (314, 1240853), (8927, 43646), (10981, 35482), (12403, 31414), (15707, 24806), (17741, 21962), (17854, 21823)]