247364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 479808

約数和(自身を除く): 232444

約数列:

[1, 2, 4, 13, 26, 52, 67, 71, 134, 142, 268, 284, 871, 923, 1742, 1846, 3484, 3692, 4757, 9514, 19028, 61841, 123682, 247364]

約数ペア:

[(1, 247364), (2, 123682), (4, 61841), (13, 19028), (26, 9514), (52, 4757), (67, 3692), (71, 3484), (134, 1846), (142, 1742), (268, 923), (284, 871)]