287495890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{13267}}^1$

素因数の和:13482

約数の個数: 32

約数和(自身を含む): 567445824

約数和(自身を除く): 279949934

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 985, 1970, 2167, 4334, 10835, 13267, 21670, 26534, 66335, 132670, 145937, 291874, 729685, 1459370, 2613599, 5227198, 13067995, 26135990, 28749589, 57499178, 143747945, 287495890]

約数ペア:

[(1, 287495890), (2, 143747945), (5, 57499178), (10, 28749589), (11, 26135990), (22, 13067995), (55, 5227198), (110, 2613599), (197, 1459370), (394, 729685), (985, 291874), (1970, 145937), (2167, 132670), (4334, 66335), (10835, 26534), (13267, 21670)]