81945946

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{797}}^1$

素因数の和:1409

約数の個数: 16

約数和(自身を含む): 124535880

約数和(自身を除く): 42589934

約数列:

[1, 2, 101, 202, 509, 797, 1018, 1594, 51409, 80497, 102818, 160994, 405673, 811346, 40972973, 81945946]

約数ペア:

[(1, 81945946), (2, 40972973), (101, 811346), (202, 405673), (509, 160994), (797, 102818), (1018, 80497), (1594, 51409)]