7392385

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 12180672

約数和(自身を除く): 4788287

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 211, 245, 385, 455, 539, 637, 715, 1001, 1055, 1477, 2321, 2695, 2743, 3185, 5005, 7007, 7385, 10339, 11605, 13715, 16247, 19201, 30173, 35035, 51695, 81235, 96005, 113729, 134407, 150865, 211211, 568645, 672035, 1056055, 1478477, 7392385]

約数ペア:

[(1, 7392385), (5, 1478477), (7, 1056055), (11, 672035), (13, 568645), (35, 211211), (49, 150865), (55, 134407), (65, 113729), (77, 96005), (91, 81235), (143, 51695), (211, 35035), (245, 30173), (385, 19201), (455, 16247), (539, 13715), (637, 11605), (715, 10339), (1001, 7385), (1055, 7007), (1477, 5005), (2321, 3185), (2695, 2743)]