74672521

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 101122560

約数和(自身を除く): 26450039

約数列:

[1, 7, 11, 31, 41, 49, 77, 109, 217, 287, 341, 451, 539, 763, 1199, 1271, 1519, 2009, 2387, 3157, 3379, 4469, 5341, 8393, 8897, 13981, 16709, 22099, 23653, 31283, 37169, 49159, 58751, 62279, 97867, 138539, 165571, 218981, 260183, 344113, 685069, 969773, 1523929, 1821281, 2408791, 6788411, 10667503, 74672521]

約数ペア:

[(1, 74672521), (7, 10667503), (11, 6788411), (31, 2408791), (41, 1821281), (49, 1523929), (77, 969773), (109, 685069), (217, 344113), (287, 260183), (341, 218981), (451, 165571), (539, 138539), (763, 97867), (1199, 62279), (1271, 58751), (1519, 49159), (2009, 37169), (2387, 31283), (3157, 23653), (3379, 22099), (4469, 16709), (5341, 13981), (8393, 8897)]