421724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 806400

約数和(自身を除く): 384676

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 179, 358, 589, 716, 1178, 2356, 3401, 5549, 6802, 11098, 13604, 22196, 105431, 210862, 421724]

約数ペア:

[(1, 421724), (2, 210862), (4, 105431), (19, 22196), (31, 13604), (38, 11098), (62, 6802), (76, 5549), (124, 3401), (179, 2356), (358, 1178), (589, 716)]