1321138

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 2671704

約数和(自身を除く): 1350566

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 61, 91, 98, 119, 122, 182, 221, 238, 427, 442, 637, 793, 833, 854, 1037, 1274, 1547, 1586, 1666, 2074, 2989, 3094, 5551, 5978, 7259, 10829, 11102, 13481, 14518, 21658, 26962, 38857, 50813, 77714, 94367, 101626, 188734, 660569, 1321138]

約数ペア:

[(1, 1321138), (2, 660569), (7, 188734), (13, 101626), (14, 94367), (17, 77714), (26, 50813), (34, 38857), (49, 26962), (61, 21658), (91, 14518), (98, 13481), (119, 11102), (122, 10829), (182, 7259), (221, 5978), (238, 5551), (427, 3094), (442, 2989), (637, 2074), (793, 1666), (833, 1586), (854, 1547), (1037, 1274)]