221558324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{1831}}^1$

素因数の和:2040

約数の個数: 36

約数和(自身を含む): 422422560

約数和(自身を除く): 200864236

約数列:

[1, 2, 4, 13, 26, 52, 169, 179, 338, 358, 676, 716, 1831, 2327, 3662, 4654, 7324, 9308, 23803, 30251, 47606, 60502, 95212, 121004, 309439, 327749, 618878, 655498, 1237756, 1310996, 4260737, 8521474, 17042948, 55389581, 110779162, 221558324]

約数ペア:

[(1, 221558324), (2, 110779162), (4, 55389581), (13, 17042948), (26, 8521474), (52, 4260737), (169, 1310996), (179, 1237756), (338, 655498), (358, 618878), (676, 327749), (716, 309439), (1831, 121004), (2327, 95212), (3662, 60502), (4654, 47606), (7324, 30251), (9308, 23803)]