17940143039

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{21283}}^1$

素因数の和:21519

約数の個数: 32

約数和(自身を含む): 22598499840

約数和(自身を除く): 4658356801

約数列:

[1, 7, 13, 59, 91, 157, 413, 767, 1099, 2041, 5369, 9263, 14287, 21283, 64841, 120419, 148981, 276679, 842933, 1255697, 1936753, 3341431, 8789879, 16324061, 23390017, 43438603, 114268427, 197144429, 304070221, 1380011003, 2562877577, 17940143039]

約数ペア:

[(1, 17940143039), (7, 2562877577), (13, 1380011003), (59, 304070221), (91, 197144429), (157, 114268427), (413, 43438603), (767, 23390017), (1099, 16324061), (2041, 8789879), (5369, 3341431), (9263, 1936753), (14287, 1255697), (21283, 842933), (64841, 276679), (120419, 148981)]