7747025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 11428956

約数和(自身を除く): 3681931

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 197, 275, 325, 605, 715, 985, 1573, 2167, 2561, 3025, 3575, 4925, 7865, 10835, 12805, 23837, 28171, 39325, 54175, 64025, 119185, 140855, 309881, 595925, 704275, 1549405, 7747025]

約数ペア:

[(1, 7747025), (5, 1549405), (11, 704275), (13, 595925), (25, 309881), (55, 140855), (65, 119185), (121, 64025), (143, 54175), (197, 39325), (275, 28171), (325, 23837), (605, 12805), (715, 10835), (985, 7865), (1573, 4925), (2167, 3575), (2561, 3025)]