398127816

素因数分解:

$2^3\times 3^2\times {\mathrm{2269}}^1\times {\mathrm{2437}}^1$

素因数の和:4718

約数の個数: 48

約数和(自身を含む): 1079180700

約数和(自身を除く): 681052884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 2269, 2437, 4538, 4874, 6807, 7311, 9076, 9748, 13614, 14622, 18152, 19496, 20421, 21933, 27228, 29244, 40842, 43866, 54456, 58488, 81684, 87732, 163368, 175464, 5529553, 11059106, 16588659, 22118212, 33177318, 44236424, 49765977, 66354636, 99531954, 132709272, 199063908, 398127816]

約数ペア:

[(1, 398127816), (2, 199063908), (3, 132709272), (4, 99531954), (6, 66354636), (8, 49765977), (9, 44236424), (12, 33177318), (18, 22118212), (24, 16588659), (36, 11059106), (72, 5529553), (2269, 175464), (2437, 163368), (4538, 87732), (4874, 81684), (6807, 58488), (7311, 54456), (9076, 43866), (9748, 40842), (13614, 29244), (14622, 27228), (18152, 21933), (19496, 20421)]