128467904

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{25409}}^1$

素因数の和:25500

約数の個数: 28

約数和(自身を含む): 258165600

約数和(自身を除く): 129697696

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 5056, 25409, 50818, 101636, 203272, 406544, 813088, 1626176, 2007311, 4014622, 8029244, 16058488, 32116976, 64233952, 128467904]

約数ペア:

[(1, 128467904), (2, 64233952), (4, 32116976), (8, 16058488), (16, 8029244), (32, 4014622), (64, 2007311), (79, 1626176), (158, 813088), (316, 406544), (632, 203272), (1264, 101636), (2528, 50818), (5056, 25409)]