210801556

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 431972352

約数和(自身を除く): 221170796

約数列:

[1, 2, 4, 7, 14, 28, 71, 107, 142, 214, 284, 428, 497, 749, 991, 994, 1498, 1982, 1988, 2996, 3964, 6937, 7597, 13874, 15194, 27748, 30388, 53179, 70361, 106037, 106358, 140722, 212074, 212716, 281444, 424148, 492527, 742259, 985054, 1484518, 1970108, 2969036, 7528627, 15057254, 30114508, 52700389, 105400778, 210801556]

約数ペア:

[(1, 210801556), (2, 105400778), (4, 52700389), (7, 30114508), (14, 15057254), (28, 7528627), (71, 2969036), (107, 1970108), (142, 1484518), (214, 985054), (284, 742259), (428, 492527), (497, 424148), (749, 281444), (991, 212716), (994, 212074), (1498, 140722), (1982, 106358), (1988, 106037), (2996, 70361), (3964, 53179), (6937, 30388), (7597, 27748), (13874, 15194)]