342120247

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 416047104

約数和(自身を除く): 73926857

約数列:

[1, 7, 31, 53, 151, 197, 217, 371, 1057, 1379, 1643, 4681, 6107, 8003, 10441, 11501, 29747, 32767, 42749, 56021, 73087, 208229, 248093, 323671, 922157, 1576591, 1736651, 2265697, 6455099, 11036137, 48874321, 342120247]

約数ペア:

[(1, 342120247), (7, 48874321), (31, 11036137), (53, 6455099), (151, 2265697), (197, 1736651), (217, 1576591), (371, 922157), (1057, 323671), (1379, 248093), (1643, 208229), (4681, 73087), (6107, 56021), (8003, 42749), (10441, 32767), (11501, 29747)]