28210884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 71453760

約数和(自身を除く): 43242876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 1301, 1668, 1807, 2602, 3614, 3903, 5204, 5421, 7228, 7806, 10842, 15612, 16913, 21684, 33826, 50739, 67652, 101478, 180839, 202956, 361678, 542517, 723356, 1085034, 2170068, 2350907, 4701814, 7052721, 9403628, 14105442, 28210884]

約数ペア:

[(1, 28210884), (2, 14105442), (3, 9403628), (4, 7052721), (6, 4701814), (12, 2350907), (13, 2170068), (26, 1085034), (39, 723356), (52, 542517), (78, 361678), (139, 202956), (156, 180839), (278, 101478), (417, 67652), (556, 50739), (834, 33826), (1301, 21684), (1668, 16913), (1807, 15612), (2602, 10842), (3614, 7806), (3903, 7228), (5204, 5421)]