25501996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1223}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 48220704

約数和(自身を除く): 22718708

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 1223, 1604, 2446, 4892, 5213, 10426, 15899, 20852, 31798, 63596, 490423, 980846, 1961692, 6375499, 12750998, 25501996]

約数ペア:

[(1, 25501996), (2, 12750998), (4, 6375499), (13, 1961692), (26, 980846), (52, 490423), (401, 63596), (802, 31798), (1223, 20852), (1604, 15899), (2446, 10426), (4892, 5213)]