2019742907

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 2726019072

約数和(自身を除く): 706276165

約数列:

[1, 7, 13, 23, 31, 49, 91, 161, 217, 299, 403, 637, 713, 1127, 1519, 2093, 2821, 4447, 4991, 9269, 14651, 19747, 31129, 34937, 57811, 64883, 102281, 137857, 217903, 404677, 454181, 715967, 964999, 1329653, 1792141, 2832739, 3170711, 5011769, 6754993, 9307571, 12544987, 22194977, 41219243, 65152997, 87814909, 155364839, 288534701, 2019742907]

約数ペア:

[(1, 2019742907), (7, 288534701), (13, 155364839), (23, 87814909), (31, 65152997), (49, 41219243), (91, 22194977), (161, 12544987), (217, 9307571), (299, 6754993), (403, 5011769), (637, 3170711), (713, 2832739), (1127, 1792141), (1519, 1329653), (2093, 964999), (2821, 715967), (4447, 454181), (4991, 404677), (9269, 217903), (14651, 137857), (19747, 102281), (31129, 64883), (34937, 57811)]