42186991

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 15728657

約数列:

[1, 7, 11, 23, 41, 49, 77, 83, 161, 253, 287, 451, 539, 581, 913, 943, 1127, 1771, 1909, 2009, 3157, 3403, 4067, 6391, 6601, 10373, 12397, 13363, 20999, 22099, 23821, 37433, 44737, 46207, 72611, 78269, 93541, 146993, 166747, 262031, 508277, 547883, 860959, 1028951, 1834217, 3835181, 6026713, 42186991]

約数ペア:

[(1, 42186991), (7, 6026713), (11, 3835181), (23, 1834217), (41, 1028951), (49, 860959), (77, 547883), (83, 508277), (161, 262031), (253, 166747), (287, 146993), (451, 93541), (539, 78269), (581, 72611), (913, 46207), (943, 44737), (1127, 37433), (1771, 23821), (1909, 22099), (2009, 20999), (3157, 13363), (3403, 12397), (4067, 10373), (6391, 6601)]