8629439

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 12257280

約数和(自身を除く): 3627841

約数列:

[1, 7, 13, 19, 23, 31, 49, 91, 133, 161, 217, 247, 299, 403, 437, 589, 637, 713, 931, 1127, 1519, 1729, 2093, 2821, 3059, 4123, 4991, 5681, 7657, 9269, 12103, 13547, 14651, 19747, 21413, 28861, 34937, 39767, 53599, 64883, 94829, 176111, 278369, 375193, 454181, 663803, 1232777, 8629439]

約数ペア:

[(1, 8629439), (7, 1232777), (13, 663803), (19, 454181), (23, 375193), (31, 278369), (49, 176111), (91, 94829), (133, 64883), (161, 53599), (217, 39767), (247, 34937), (299, 28861), (403, 21413), (437, 19747), (589, 14651), (637, 13547), (713, 12103), (931, 9269), (1127, 7657), (1519, 5681), (1729, 4991), (2093, 4123), (2821, 3059)]