81524135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 128701440

約数和(自身を除く): 47177305

約数列:

[1, 5, 7, 11, 35, 37, 55, 59, 77, 97, 185, 259, 295, 385, 407, 413, 485, 649, 679, 1067, 1295, 2035, 2065, 2183, 2849, 3245, 3395, 3589, 4543, 5335, 5723, 7469, 10915, 14245, 15281, 17945, 22715, 24013, 25123, 28615, 37345, 39479, 40061, 62953, 76405, 120065, 125615, 168091, 197395, 200305, 211751, 276353, 314765, 440671, 840455, 1058755, 1381765, 1482257, 2203355, 2329261, 7411285, 11646305, 16304827, 81524135]

約数ペア:

[(1, 81524135), (5, 16304827), (7, 11646305), (11, 7411285), (35, 2329261), (37, 2203355), (55, 1482257), (59, 1381765), (77, 1058755), (97, 840455), (185, 440671), (259, 314765), (295, 276353), (385, 211751), (407, 200305), (413, 197395), (485, 168091), (649, 125615), (679, 120065), (1067, 76405), (1295, 62953), (2035, 40061), (2065, 39479), (2183, 37345), (2849, 28615), (3245, 25123), (3395, 24013), (3589, 22715), (4543, 17945), (5335, 15281), (5723, 14245), (7469, 10915)]