490751518

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 770726880

約数和(自身を除く): 279975362

約数列:

[1, 2, 43, 86, 89, 97, 178, 194, 661, 1322, 3827, 4171, 7654, 8342, 8633, 17266, 28423, 56846, 58829, 64117, 117658, 128234, 371219, 742438, 2529647, 2757031, 5059294, 5514062, 5706413, 11412826, 245375759, 490751518]

約数ペア:

[(1, 490751518), (2, 245375759), (43, 11412826), (86, 5706413), (89, 5514062), (97, 5059294), (178, 2757031), (194, 2529647), (661, 742438), (1322, 371219), (3827, 128234), (4171, 117658), (7654, 64117), (8342, 58829), (8633, 56846), (17266, 28423)]