40581338

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{653}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 73080576

約数和(自身を除く): 32499238

約数列:

[1, 2, 7, 14, 23, 46, 161, 193, 322, 386, 653, 1306, 1351, 2702, 4439, 4571, 8878, 9142, 15019, 30038, 31073, 62146, 105133, 126029, 210266, 252058, 882203, 1764406, 2898667, 5797334, 20290669, 40581338]

約数ペア:

[(1, 40581338), (2, 20290669), (7, 5797334), (14, 2898667), (23, 1764406), (46, 882203), (161, 252058), (193, 210266), (322, 126029), (386, 105133), (653, 62146), (1306, 31073), (1351, 30038), (2702, 15019), (4439, 9142), (4571, 8878)]