393318145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4229}}^1$

素因数の和:4353

約数の個数: 32

約数和(自身を含む): 548208000

約数和(自身を除く): 154889855

約数列:

[1, 5, 11, 19, 55, 89, 95, 209, 445, 979, 1045, 1691, 4229, 4895, 8455, 18601, 21145, 46519, 80351, 93005, 232595, 376381, 401755, 883861, 1881905, 4140191, 4419305, 7151239, 20700955, 35756195, 78663629, 393318145]

約数ペア:

[(1, 393318145), (5, 78663629), (11, 35756195), (19, 20700955), (55, 7151239), (89, 4419305), (95, 4140191), (209, 1881905), (445, 883861), (979, 401755), (1045, 376381), (1691, 232595), (4229, 93005), (4895, 80351), (8455, 46519), (18601, 21145)]