15128988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 40535040

約数和(自身を除く): 25406052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 389, 463, 778, 926, 1167, 1389, 1556, 1852, 2334, 2723, 2778, 3241, 4668, 5446, 5556, 6482, 8169, 9723, 10892, 12964, 16338, 19446, 32676, 38892, 180107, 360214, 540321, 720428, 1080642, 1260749, 2161284, 2521498, 3782247, 5042996, 7564494, 15128988]

約数ペア:

[(1, 15128988), (2, 7564494), (3, 5042996), (4, 3782247), (6, 2521498), (7, 2161284), (12, 1260749), (14, 1080642), (21, 720428), (28, 540321), (42, 360214), (84, 180107), (389, 38892), (463, 32676), (778, 19446), (926, 16338), (1167, 12964), (1389, 10892), (1556, 9723), (1852, 8169), (2334, 6482), (2723, 5556), (2778, 5446), (3241, 4668)]