42181517

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 52910592

約数和(自身を除く): 10729075

約数列:

[1, 7, 23, 37, 73, 97, 161, 259, 511, 679, 851, 1679, 2231, 2701, 3589, 5957, 7081, 11753, 15617, 18907, 25123, 49567, 62123, 82547, 162863, 261997, 434861, 577829, 1140041, 1833979, 6025931, 42181517]

約数ペア:

[(1, 42181517), (7, 6025931), (23, 1833979), (37, 1140041), (73, 577829), (97, 434861), (161, 261997), (259, 162863), (511, 82547), (679, 62123), (851, 49567), (1679, 25123), (2231, 18907), (2701, 15617), (3589, 11753), (5957, 7081)]