212519665

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 269485056

約数和(自身を除く): 56965391

約数列:

[1, 5, 47, 53, 113, 151, 235, 265, 565, 755, 2491, 5311, 5989, 7097, 8003, 12455, 17063, 26555, 29945, 35485, 40015, 85315, 281483, 376141, 801961, 904339, 1407415, 1880705, 4009805, 4521695, 42503933, 212519665]

約数ペア:

[(1, 212519665), (5, 42503933), (47, 4521695), (53, 4009805), (113, 1880705), (151, 1407415), (235, 904339), (265, 801961), (565, 376141), (755, 281483), (2491, 85315), (5311, 40015), (5989, 35485), (7097, 29945), (8003, 26555), (12455, 17063)]