401027908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3761}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 783699840

約数和(自身を除く): 382671932

約数列:

[1, 2, 4, 19, 23, 38, 46, 61, 76, 92, 122, 244, 437, 874, 1159, 1403, 1748, 2318, 2806, 3761, 4636, 5612, 7522, 15044, 26657, 53314, 71459, 86503, 106628, 142918, 173006, 229421, 285836, 346012, 458842, 917684, 1643557, 3287114, 4358999, 5276683, 6574228, 8717998, 10553366, 17435996, 21106732, 100256977, 200513954, 401027908]

約数ペア:

[(1, 401027908), (2, 200513954), (4, 100256977), (19, 21106732), (23, 17435996), (38, 10553366), (46, 8717998), (61, 6574228), (76, 5276683), (92, 4358999), (122, 3287114), (244, 1643557), (437, 917684), (874, 458842), (1159, 346012), (1403, 285836), (1748, 229421), (2318, 173006), (2806, 142918), (3761, 106628), (4636, 86503), (5612, 71459), (7522, 53314), (15044, 26657)]