28340988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 71783040

約数和(自身を除く): 43442052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 1307, 1668, 1807, 2614, 3614, 3921, 5228, 5421, 7228, 7842, 10842, 15684, 16991, 21684, 33982, 50973, 67964, 101946, 181673, 203892, 363346, 545019, 726692, 1090038, 2180076, 2361749, 4723498, 7085247, 9446996, 14170494, 28340988]

約数ペア:

[(1, 28340988), (2, 14170494), (3, 9446996), (4, 7085247), (6, 4723498), (12, 2361749), (13, 2180076), (26, 1090038), (39, 726692), (52, 545019), (78, 363346), (139, 203892), (156, 181673), (278, 101946), (417, 67964), (556, 50973), (834, 33982), (1307, 21684), (1668, 16991), (1807, 15684), (2614, 10842), (3614, 7842), (3921, 7228), (5228, 5421)]