405344

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 24

約数和(自身を含む): 816480

約数和(自身を除く): 411136

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 239, 424, 478, 848, 956, 1696, 1912, 3824, 7648, 12667, 25334, 50668, 101336, 202672, 405344]

約数ペア:

[(1, 405344), (2, 202672), (4, 101336), (8, 50668), (16, 25334), (32, 12667), (53, 7648), (106, 3824), (212, 1912), (239, 1696), (424, 956), (478, 848)]