7968090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20431}}^1$

素因数の和:20454

約数の個数: 32

約数和(自身を含む): 20595456

約数和(自身を除く): 12627366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20431, 40862, 61293, 102155, 122586, 204310, 265603, 306465, 531206, 612930, 796809, 1328015, 1593618, 2656030, 3984045, 7968090]

約数ペア:

[(1, 7968090), (2, 3984045), (3, 2656030), (5, 1593618), (6, 1328015), (10, 796809), (13, 612930), (15, 531206), (26, 306465), (30, 265603), (39, 204310), (65, 122586), (78, 102155), (130, 61293), (195, 40862), (390, 20431)]