4995991

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 7354368

約数和(自身を除く): 2358377

約数列:

[1, 7, 11, 13, 23, 31, 49, 77, 91, 143, 161, 217, 253, 299, 341, 403, 539, 637, 713, 1001, 1127, 1519, 1771, 2093, 2387, 2821, 3289, 4433, 4991, 7007, 7843, 9269, 12397, 14651, 16709, 19747, 23023, 31031, 34937, 54901, 64883, 101959, 161161, 217217, 384307, 454181, 713713, 4995991]

約数ペア:

[(1, 4995991), (7, 713713), (11, 454181), (13, 384307), (23, 217217), (31, 161161), (49, 101959), (77, 64883), (91, 54901), (143, 34937), (161, 31031), (217, 23023), (253, 19747), (299, 16709), (341, 14651), (403, 12397), (539, 9269), (637, 7843), (713, 7007), (1001, 4991), (1127, 4433), (1519, 3289), (1771, 2821), (2093, 2387)]