398220914

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{15971}}^1$

素因数の和:16130

約数の個数: 32

約数和(自身を含む): 740589696

約数和(自身を除く): 342368782

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 959, 1781, 1918, 3562, 12467, 15971, 24934, 31942, 111797, 207623, 223594, 415246, 1453361, 2188027, 2906722, 4376054, 15316189, 28444351, 30632378, 56888702, 199110457, 398220914]

約数ペア:

[(1, 398220914), (2, 199110457), (7, 56888702), (13, 30632378), (14, 28444351), (26, 15316189), (91, 4376054), (137, 2906722), (182, 2188027), (274, 1453361), (959, 415246), (1781, 223594), (1918, 207623), (3562, 111797), (12467, 31942), (15971, 24934)]