72019493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 92198400

約数和(自身を除く): 20178907

約数列:

[1, 7, 13, 41, 91, 97, 199, 287, 533, 679, 1261, 1393, 2587, 3731, 3977, 8159, 8827, 18109, 19303, 27839, 51701, 57113, 106067, 135121, 250939, 361907, 742469, 791423, 1756573, 5539961, 10288499, 72019493]

約数ペア:

[(1, 72019493), (7, 10288499), (13, 5539961), (41, 1756573), (91, 791423), (97, 742469), (199, 361907), (287, 250939), (533, 135121), (679, 106067), (1261, 57113), (1393, 51701), (2587, 27839), (3731, 19303), (3977, 18109), (8159, 8827)]