1218151165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 1866424320

約数和(自身を除く): 648273155

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 121, 331, 385, 395, 553, 605, 847, 869, 1331, 1655, 2317, 2765, 3641, 4235, 4345, 6083, 6655, 9317, 9559, 11585, 18205, 25487, 26149, 30415, 40051, 46585, 47795, 66913, 105149, 127435, 130745, 183043, 200255, 280357, 287639, 334565, 440561, 525745, 736043, 915215, 1401785, 1438195, 2013473, 2202805, 3083927, 3164029, 3680215, 10067365, 15419635, 15820145, 22148203, 34804319, 110741015, 174021595, 243630233, 1218151165]

約数ペア:

[(1, 1218151165), (5, 243630233), (7, 174021595), (11, 110741015), (35, 34804319), (55, 22148203), (77, 15820145), (79, 15419635), (121, 10067365), (331, 3680215), (385, 3164029), (395, 3083927), (553, 2202805), (605, 2013473), (847, 1438195), (869, 1401785), (1331, 915215), (1655, 736043), (2317, 525745), (2765, 440561), (3641, 334565), (4235, 287639), (4345, 280357), (6083, 200255), (6655, 183043), (9317, 130745), (9559, 127435), (11585, 105149), (18205, 66913), (25487, 47795), (26149, 46585), (30415, 40051)]