13039873

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 4470527

約数列:

[1, 7, 11, 23, 37, 77, 161, 199, 253, 259, 407, 851, 1393, 1771, 2189, 2849, 4577, 5957, 7363, 9361, 15323, 32039, 50347, 51541, 65527, 80993, 169349, 352429, 566951, 1185443, 1862839, 13039873]

約数ペア:

[(1, 13039873), (7, 1862839), (11, 1185443), (23, 566951), (37, 352429), (77, 169349), (161, 80993), (199, 65527), (253, 51541), (259, 50347), (407, 32039), (851, 15323), (1393, 9361), (1771, 7363), (2189, 5957), (2849, 4577)]