209719145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 267859872

約数和(自身を除く): 58140727

約数列:

[1, 5, 37, 53, 73, 185, 265, 293, 365, 1465, 1961, 2701, 3869, 9805, 10841, 13505, 15529, 19345, 21389, 54205, 77645, 106945, 143153, 574573, 715765, 791393, 1133617, 2872865, 3956965, 5668085, 41943829, 209719145]

約数ペア:

[(1, 209719145), (5, 41943829), (37, 5668085), (53, 3956965), (73, 2872865), (185, 1133617), (265, 791393), (293, 715765), (365, 574573), (1465, 143153), (1961, 106945), (2701, 77645), (3869, 54205), (9805, 21389), (10841, 19345), (13505, 15529)]