402539992

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 764309520

約数和(自身を除く): 361769528

約数列:

[1, 2, 4, 8, 107, 214, 421, 428, 842, 856, 1117, 1684, 2234, 3368, 4468, 8936, 45047, 90094, 119519, 180188, 239038, 360376, 470257, 478076, 940514, 956152, 1881028, 3762056, 50317499, 100634998, 201269996, 402539992]

約数ペア:

[(1, 402539992), (2, 201269996), (4, 100634998), (8, 50317499), (107, 3762056), (214, 1881028), (421, 956152), (428, 940514), (842, 478076), (856, 470257), (1117, 360376), (1684, 239038), (2234, 180188), (3368, 119519), (4468, 90094), (8936, 45047)]