1997967404

素因数分解:

$2^2\times {\mathrm{23}}^3\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 3720803520

約数和(自身を除く): 1722836116

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 529, 673, 1058, 1346, 1403, 2116, 2692, 2806, 5612, 12167, 15479, 24334, 30958, 32269, 41053, 48668, 61916, 64538, 82106, 129076, 164212, 356017, 712034, 742187, 944219, 1424068, 1484374, 1888438, 2968748, 3776876, 8188391, 16376782, 21717037, 32753564, 43434074, 86868148, 499491851, 998983702, 1997967404]

約数ペア:

[(1, 1997967404), (2, 998983702), (4, 499491851), (23, 86868148), (46, 43434074), (61, 32753564), (92, 21717037), (122, 16376782), (244, 8188391), (529, 3776876), (673, 2968748), (1058, 1888438), (1346, 1484374), (1403, 1424068), (2116, 944219), (2692, 742187), (2806, 712034), (5612, 356017), (12167, 164212), (15479, 129076), (24334, 82106), (30958, 64538), (32269, 61916), (41053, 48668)]