213620351

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 280713600

約数和(自身を除く): 67093249

約数列:

[1, 7, 17, 29, 37, 49, 119, 203, 239, 259, 493, 629, 833, 1073, 1421, 1673, 1813, 3451, 4063, 4403, 6931, 7511, 8843, 11711, 18241, 24157, 28441, 30821, 48517, 52577, 61901, 117827, 127687, 150331, 199087, 256447, 339619, 433307, 824789, 893809, 1052317, 1795129, 4359599, 5773523, 7366219, 12565903, 30517193, 213620351]

約数ペア:

[(1, 213620351), (7, 30517193), (17, 12565903), (29, 7366219), (37, 5773523), (49, 4359599), (119, 1795129), (203, 1052317), (239, 893809), (259, 824789), (493, 433307), (629, 339619), (833, 256447), (1073, 199087), (1421, 150331), (1673, 127687), (1813, 117827), (3451, 61901), (4063, 52577), (4403, 48517), (6931, 30821), (7511, 28441), (8843, 24157), (11711, 18241)]