8863855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 15283296

約数和(自身を除く): 6419441

約数列:

[1, 5, 7, 11, 13, 23, 35, 49, 55, 65, 77, 91, 115, 121, 143, 161, 245, 253, 299, 385, 455, 539, 605, 637, 715, 805, 847, 1001, 1127, 1265, 1495, 1573, 1771, 2093, 2695, 2783, 3185, 3289, 4235, 5005, 5635, 5929, 7007, 7865, 8855, 10465, 11011, 12397, 13915, 14651, 16445, 19481, 23023, 29645, 35035, 36179, 55055, 61985, 73255, 77077, 97405, 115115, 136367, 161161, 180895, 253253, 385385, 681835, 805805, 1266265, 1772771, 8863855]

約数ペア:

[(1, 8863855), (5, 1772771), (7, 1266265), (11, 805805), (13, 681835), (23, 385385), (35, 253253), (49, 180895), (55, 161161), (65, 136367), (77, 115115), (91, 97405), (115, 77077), (121, 73255), (143, 61985), (161, 55055), (245, 36179), (253, 35035), (299, 29645), (385, 23023), (455, 19481), (539, 16445), (605, 14651), (637, 13915), (715, 12397), (805, 11011), (847, 10465), (1001, 8855), (1127, 7865), (1265, 7007), (1495, 5929), (1573, 5635), (1771, 5005), (2093, 4235), (2695, 3289), (2783, 3185)]