421155812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19259}}^1$

素因数の和:19352

約数の個数: 48

約数和(自身を含む): 931875840

約数和(自身を除く): 510720028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 19259, 21868, 38518, 77036, 134813, 211849, 269626, 423698, 539252, 847396, 1367389, 1482943, 2734778, 2965886, 5469556, 5931772, 9571723, 15041279, 19143446, 30082558, 38286892, 60165116, 105288953, 210577906, 421155812]

約数ペア:

[(1, 421155812), (2, 210577906), (4, 105288953), (7, 60165116), (11, 38286892), (14, 30082558), (22, 19143446), (28, 15041279), (44, 9571723), (71, 5931772), (77, 5469556), (142, 2965886), (154, 2734778), (284, 1482943), (308, 1367389), (497, 847396), (781, 539252), (994, 423698), (1562, 269626), (1988, 211849), (3124, 134813), (5467, 77036), (10934, 38518), (19259, 21868)]