1266265

素因数分解:

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

素因数の和:70

約数の個数: 48

約数和(自身を含む): 2145024

約数和(自身を除く): 878759

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 121, 143, 161, 253, 299, 385, 455, 605, 715, 805, 847, 1001, 1265, 1495, 1573, 1771, 2093, 2783, 3289, 4235, 5005, 7865, 8855, 10465, 11011, 13915, 16445, 19481, 23023, 36179, 55055, 97405, 115115, 180895, 253253, 1266265]

約数ペア:

[(1, 1266265), (5, 253253), (7, 180895), (11, 115115), (13, 97405), (23, 55055), (35, 36179), (55, 23023), (65, 19481), (77, 16445), (91, 13915), (115, 11011), (121, 10465), (143, 8855), (161, 7865), (253, 5005), (299, 4235), (385, 3289), (455, 2783), (605, 2093), (715, 1771), (805, 1573), (847, 1495), (1001, 1265)]