1298210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1129

約数の個数: 16

約数和(自身を含む): 2356992

約数和(自身を除く): 1058782

約数列:

[1, 2, 5, 10, 131, 262, 655, 991, 1310, 1982, 4955, 9910, 129821, 259642, 649105, 1298210]

約数ペア:

[(1, 1298210), (2, 649105), (5, 259642), (10, 129821), (131, 9910), (262, 4955), (655, 1982), (991, 1310)]