127984168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28619}}^1$

素因数の和:28681

約数の個数: 32

約数和(自身を含む): 264448800

約数和(自身を除く): 136464632

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 28619, 57238, 114476, 228952, 372047, 744094, 1230617, 1488188, 2461234, 2976376, 4922468, 9844936, 15998021, 31996042, 63992084, 127984168]

約数ペア:

[(1, 127984168), (2, 63992084), (4, 31996042), (8, 15998021), (13, 9844936), (26, 4922468), (43, 2976376), (52, 2461234), (86, 1488188), (104, 1230617), (172, 744094), (344, 372047), (559, 228952), (1118, 114476), (2236, 57238), (4472, 28619)]