81808516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{1747}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 149768640

約数和(自身を除く): 67960124

約数列:

[1, 2, 4, 23, 46, 92, 509, 1018, 1747, 2036, 3494, 6988, 11707, 23414, 40181, 46828, 80362, 160724, 889223, 1778446, 3556892, 20452129, 40904258, 81808516]

約数ペア:

[(1, 81808516), (2, 40904258), (4, 20452129), (23, 3556892), (46, 1778446), (92, 889223), (509, 160724), (1018, 80362), (1747, 46828), (2036, 40181), (3494, 23414), (6988, 11707)]