74581988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21407}}^1$

素因数の和:21491

約数の個数: 24

約数和(自身を含む): 142662912

約数和(自身を除く): 68080924

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 21407, 42814, 85628, 278291, 556582, 1113164, 1434269, 2868538, 5737076, 18645497, 37290994, 74581988]

約数ペア:

[(1, 74581988), (2, 37290994), (4, 18645497), (13, 5737076), (26, 2868538), (52, 1434269), (67, 1113164), (134, 556582), (268, 278291), (871, 85628), (1742, 42814), (3484, 21407)]