2840604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 7244160

約数和(自身を除く): 4403556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 139, 156, 262, 278, 393, 417, 524, 556, 786, 834, 1572, 1668, 1703, 1807, 3406, 3614, 5109, 5421, 6812, 7228, 10218, 10842, 18209, 20436, 21684, 36418, 54627, 72836, 109254, 218508, 236717, 473434, 710151, 946868, 1420302, 2840604]

約数ペア:

[(1, 2840604), (2, 1420302), (3, 946868), (4, 710151), (6, 473434), (12, 236717), (13, 218508), (26, 109254), (39, 72836), (52, 54627), (78, 36418), (131, 21684), (139, 20436), (156, 18209), (262, 10842), (278, 10218), (393, 7228), (417, 6812), (524, 5421), (556, 5109), (786, 3614), (834, 3406), (1572, 1807), (1668, 1703)]