71498245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 112766976

約数和(自身を除く): 41268731

約数列:

[1, 5, 7, 13, 31, 35, 37, 65, 91, 137, 155, 185, 217, 259, 403, 455, 481, 685, 959, 1085, 1147, 1295, 1781, 2015, 2405, 2821, 3367, 4247, 4795, 5069, 5735, 8029, 8905, 12467, 14105, 14911, 16835, 21235, 25345, 29729, 35483, 40145, 55211, 62335, 65897, 74555, 104377, 148645, 157139, 177415, 276055, 329485, 386477, 461279, 521885, 785695, 1099973, 1932385, 2042807, 2306395, 5499865, 10214035, 14299649, 71498245]

約数ペア:

[(1, 71498245), (5, 14299649), (7, 10214035), (13, 5499865), (31, 2306395), (35, 2042807), (37, 1932385), (65, 1099973), (91, 785695), (137, 521885), (155, 461279), (185, 386477), (217, 329485), (259, 276055), (403, 177415), (455, 157139), (481, 148645), (685, 104377), (959, 74555), (1085, 65897), (1147, 62335), (1295, 55211), (1781, 40145), (2015, 35483), (2405, 29729), (2821, 25345), (3367, 21235), (4247, 16835), (4795, 14911), (5069, 14105), (5735, 12467), (8029, 8905)]