261301628

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{548953}}^1$

素因数の和:548981

約数の個数: 24

約数和(自身を含む): 553345632

約数和(自身を除く): 292044004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 548953, 1097906, 2195812, 3842671, 7685342, 9332201, 15370684, 18664402, 37328804, 65325407, 130650814, 261301628]

約数ペア:

[(1, 261301628), (2, 130650814), (4, 65325407), (7, 37328804), (14, 18664402), (17, 15370684), (28, 9332201), (34, 7685342), (68, 3842671), (119, 2195812), (238, 1097906), (476, 548953)]