12971908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 25683840

約数和(自身を除く): 12711932

約数列:

[1, 2, 4, 19, 23, 38, 41, 46, 76, 82, 92, 164, 181, 362, 437, 724, 779, 874, 943, 1558, 1748, 1886, 3116, 3439, 3772, 4163, 6878, 7421, 8326, 13756, 14842, 16652, 17917, 29684, 35834, 71668, 79097, 140999, 158194, 170683, 281998, 316388, 341366, 563996, 682732, 3242977, 6485954, 12971908]

約数ペア:

[(1, 12971908), (2, 6485954), (4, 3242977), (19, 682732), (23, 563996), (38, 341366), (41, 316388), (46, 281998), (76, 170683), (82, 158194), (92, 140999), (164, 79097), (181, 71668), (362, 35834), (437, 29684), (724, 17917), (779, 16652), (874, 14842), (943, 13756), (1558, 8326), (1748, 7421), (1886, 6878), (3116, 4163), (3439, 3772)]