81837042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{5009}}^1$

素因数の和:5410

約数の個数: 32

約数和(自身を含む): 187574400

約数和(自身を除く): 105737358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 389, 778, 1167, 2334, 2723, 5009, 5446, 8169, 10018, 15027, 16338, 30054, 35063, 70126, 105189, 210378, 1948501, 3897002, 5845503, 11691006, 13639507, 27279014, 40918521, 81837042]

約数ペア:

[(1, 81837042), (2, 40918521), (3, 27279014), (6, 13639507), (7, 11691006), (14, 5845503), (21, 3897002), (42, 1948501), (389, 210378), (778, 105189), (1167, 70126), (2334, 35063), (2723, 30054), (5009, 16338), (5446, 15027), (8169, 10018)]