51673349

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 66393600

約数和(自身を除く): 14720251

約数列:

[1, 7, 13, 37, 91, 103, 149, 259, 481, 721, 1043, 1339, 1937, 3367, 3811, 5513, 9373, 13559, 15347, 26677, 38591, 49543, 71669, 107429, 199511, 346801, 501683, 567839, 1396577, 3974873, 7381907, 51673349]

約数ペア:

[(1, 51673349), (7, 7381907), (13, 3974873), (37, 1396577), (91, 567839), (103, 501683), (149, 346801), (259, 199511), (481, 107429), (721, 71669), (1043, 49543), (1339, 38591), (1937, 26677), (3367, 15347), (3811, 13559), (5513, 9373)]